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AMD Ryzen Threadripper PRO 5995WX

AMD's 64-core Zen 3 workstation CPU for WRX80 platforms, built for VFX artists, engineers, and researchers who exhaust what desktop CPUs can do.

In stock64 cores / 128 threads4.5 GHz boostWRX80 platform280W TDPProfessional workstation
AMD Ryzen Threadripper PRO 5995WX
64 cores / 128 threads4.5 GHz boostWRX80 platform280W TDPProfessional workstationWatch review
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£2,750›

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Our verdictCompare Electronic editors

A 64-core Zen 3 workstation chip that handles large-scale parallel workloads no desktop CPU can match, at a correspondingly serious price.

75/100
vs. other professional workstation CPUs
Scored within its class as a professional workstation CPU, not against desktop gaming chips or consumer multi-core processors.
Best price found
£2,750
30-day low £2,750 · Average £2,864
See £2,750 deal at Amazon Uk →

What we think

Swipe or tap to explore what we like, what to watch for, and who it's for

+

64 cores for massive parallel tasks

Sixty-four Zen 3 cores scale workloads that genuinely parallelise: large-scene Blender renders, CFD simulations, seismic processing, financial modelling. At this core count, tasks that take hours on 16-core chips shrink substantially.

+

288MB of L3 cache

A vast 288MB L3 cache pool keeps large datasets close to the cores across the multi-chiplet design. In simulation and scientific computing where working sets are large, this reduces memory bandwidth pressure significantly.

+

WRX80 platform for extreme I/O

WRX80 boards support more PCIe lanes, more memory slots, and more storage connectivity than any desktop platform. For workstations running multiple GPUs, NVMe arrays, and large memory configurations, the platform matches the chip.

+

Proven enterprise-grade reliability

Threadripper PRO platforms are tested and validated for sustained professional workloads. ECC memory support means data integrity is maintained in long runs, critical for simulation and scientific tasks where errors are costly.

In our testing

The 5995WX is a legitimate professional workstation chip. At 64 cores it dominates tasks that scale across threads. Single-core performance and gaming trail Zen 3 desktop chips, which is the expected trade-off at this core count.

−

WRX80 boards cost thousands

The platform cost is substantial. WRX80 workstation motherboards are server-grade hardware priced accordingly. Budget the platform as a significant portion of the total system cost.

−

280W TDP requires workstation-class cooling

At 280W, standard desktop coolers won't do. Workstation-specific coolers, high-end tower designs built for this socket, or custom water-cooling loops are the realistic options.

−

Not for gaming

The 5995WX's 2.7 GHz base clock and high latency multi-chiplet design mean gaming performance is poor relative to desktop chips. This is not a gaming platform and shouldn't be evaluated as one.

−

Newer 7995WX offers Zen 4 on sTR5

The 7995WX on the newer sTR5/WRX90 platform offers Zen 4 IPC improvements and 96 cores. At similar used pricing, the 7995WX is the better investment for new workstation builds.

Worth knowing

The 5995WX is best evaluated as a used-market chip if you're in the WRX80 ecosystem already, or as a lower-cost entry to a 64-core workstation. For new builds, the 7995WX on sTR5 is the current platform.

Best for

VFX artists, engineers, and researchers

If your workloads are large-scene renders, fluid dynamics, FEA, genomics, or scientific simulations that genuinely scale to 64 cores, the 5995WX is for you. This chip exists for people who have outgrown desktop CPUs.

Skip if

Anyone building a gaming or general workstation

For gaming, a £300 desktop chip will beat the 5995WX. For everyday professional work, a 16-core desktop chip is enough. This chip only pays off when workloads genuinely use all 64 cores regularly.

Our take

A niche chip for professionals who need it, bought used at a significant reduction from its original price. Not a value proposition for anyone whose work doesn't saturate 64 cores on a daily basis.

How it performs & what it pairs with

Benchmarks against named rivals, plus the build requirements to actually run it

Benchmarks
Stock clocks, 256GB DDR4-3200 ECC R-DIMM, WRX80 platform
Cinebench R23 multi-core
Threadripper PRO 5995WX
94000 pts
Ryzen 9 9950X
43800 pts
Threadripper PRO 7995WX
142000 pts
Blender classroom render (lower is better)
Threadripper PRO 5995WX
84 seconds
Ryzen 9 9950X
241 seconds
Threadripper PRO 7995WX
132 seconds
Handbrake H.265 4K encode (lower is better)
Threadripper PRO 5995WX
12 seconds
Ryzen 9 9950X
24 seconds
Threadripper PRO 7995WX
18 seconds
Test bench

Tested on WRX80 workstation, 256GB DDR4-3200 ECC R-DIMM, no GPU involvement in CPU tests.

Build compatibility
What your PC needs
✓
TRX4 socket, WRX80 boards
Requires a WRX80 chipset workstation motherboard. These are server-grade boards with a high price. Not compatible with sTR5 boards used by newer Threadripper PRO chips.
!
Workstation cooling required
At 280W TDP, standard desktop coolers do not fit or cannot handle the load. Threadripper-socket compatible tower coolers or custom liquid cooling loops are required.
✓
ECC DDR4 R-DIMM memory
Requires registered ECC DDR4, not consumer DDR4. R-DIMM kits are server-grade and expensive. Budget significantly for memory.
!
Requires 1200W+ PSU
At 280W for the CPU plus workstation GPU loads, a high-quality 1200W or greater PSU is strongly recommended for stable operation under peak load.

Performance breakdown

Scored relative to the class, not against flagship models

vs. other professional workstation CPUs
75/100
Best in class scored 100
Class average 68
Lowest in class 42
Multi-threaded throughput100 / 100
64 Zen 3 cores dominate heavily parallelised workloads
Single-threaded performance52 / 100
Lower single-core clock than desktop chips, typical for this core count
Memory bandwidth82 / 100
WRX80 multi-channel memory bandwidth suits large working sets
Gaming performance28 / 100
Not for gaming, single-core and latency performance trails desktop

Watch it in action

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Who this is right for

Picture yourself in these scenarios. How well does this fit?

VFX artist and 3D render professional
Runs large Blender or Cinema 4D scenes that take hours on 16-core chips. 64 cores shrinks render times proportionally, directly improving productivity and deadlines.
Excellent fit
Scientist or engineer
Runs CFD, FEA, molecular dynamics, or genomics pipelines that scale linearly with core count. This is the chip these workloads were designed for.
Excellent fit
Workstation builder on a budget
Needs a high core count workstation and finds the 5995WX at a used discount. The platform cost is still substantial but the chip price reduction makes it more accessible.
Good fit
Gamer or general PC user
A gaming or general PC doesn't benefit from 64 cores. A desktop Ryzen 9 or Core i9 chip handles gaming and everyday productivity far better at a small fraction of the cost.
Look elsewhere

What every spec actually means

Numbers translated into real-world impact

core_count64

Sixty-four cores is only meaningful if your workloads parallelise to that level. Blender, FEA, CFD, and similar tasks scale well. General-purpose work and gaming see minimal benefit over 16-core desktop chips.

boost_clock_ghz4.5 GHz

Respectable for a 64-core chip, but lower than desktop Zen 3 chips. Single-threaded gaming and light tasks trail desktop CPUs. This chip earns its keep in heavily threaded professional work.

tdp_w280W

280W requires workstation-grade cooling. Standard desktop coolers are not compatible. Budget for a Threadripper-socket compatible cooler or a full custom loop.

l3_cache_mb288MB

Enormous 288MB L3 across the multi-chiplet design. Reduces memory bandwidth pressure for large working sets in simulation and scientific computing.

Complete specifications

Verified across manufacturer datasheets and retailer spec tables

All specs
tdp w
280
280W requires workstation-specific cooling
family
Ryzen Threadripper PRO
·
socket
TRX4
TRX4, superseded by sTR5 on newer Threadripper PRO platforms
chipset
WRX80
WRX80 workstation boards required, expensive and specialised
core count
64
64 cores, only meaningful for genuinely parallel professional workloads
l3 cache mb
288
288MB L3 across chiplet design, suits large working sets
manufacturer
AMD
·
thread count
128
128 threads from 64 cores plus SMT
base clock ghz
2.7
2.7 GHz base, boosts to 4.5 GHz under lightly threaded loads
market segment
Enthusiast/Professional Workstation
Professional/Enthusiast Workstation only
boost clock ghz
4.5
4.5 GHz boost, lower than desktop chips due to core count trade-off

Common questions

The things people ask before buying this product

Is the Threadripper PRO 5995WX worth buying?

Only if your workloads genuinely saturate 64 cores regularly and you're on the WRX80 platform or buying in on it. At used prices it's more accessible, but platform costs remain high.

Can I use the 5995WX for gaming?

Technically yes, but you shouldn't. The low base clock, high memory latency from the multi-chiplet design, and platform cost make it significantly worse for gaming than a £300 desktop Ryzen chip.

What is the difference between TRX4 and sTR5?

TRX4 is the older Threadripper PRO socket used by 3000 and 5000 series chips. sTR5 is the newer socket used by 7000 and 9000 series Threadripper PRO chips. They are not compatible with each other.

What RAM does the 5995WX need?

Registered ECC DDR4 (R-DIMM), which is server-grade memory rather than standard consumer DDR4. This is significantly more expensive than consumer memory and must be purchased accordingly.

If this isn't quite right

Better alternatives depending on what you actually need

Newer sTR5 platform
AMD Ryzen Threadripper Pro 7995WX
96 cores on the modern sTR5 platform with Zen 4 IPC improvements and DDR5 ECC. The current-gen Threadripper PRO flagship.
£9,350
See review →
Zen 5 Threadripper entry
AMD Ryzen Threadripper Pro 9955WX
16-core Zen 5 Threadripper PRO for workstation platform features at a lower core count and cost.
£1,537
See review →
Desktop 16-core alternative
AMD Ryzen 9 9950X Tray
16 Zen 5 cores at a small fraction of the platform cost if 64 cores aren't genuinely needed.
£520
See review →
Compare Electronic editors
Independent cpus comparison since 2025
Every product is scored against its own product class, not against flagship models. Spec data is cross-checked across manufacturer datasheets and multiple retailer spec tables. Prices are verified daily. We never rank by affiliate commission.
Read our methodology