AMD Ryzen Threadripper PRO 7965WX vs AMD Ryzen Threadripper 3970X
Buy the Threadripper PRO 7965WX for a new workstation build: it is the only one of the two that fits current sTR5 boards, takes 8-channel DDR5 up to 1TB with ECC, and has a much higher 5.3 GHz boost. The 3970X is the cheaper path only if you already own a TRX40 board or find one used, since it is a 2019 sTR4 part. No prices were provided for either, so compare live store prices before deciding.
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AMD Ryzen Threadripper PRO 7965WX
AMD Ryzen Threadripper PRO 7965WX Processor
Choose the Threadripper PRO 7965WX if you are building a new workstation and need current platform support, 8-channel DDR5 with ECC, and the highest single-thread speed of the two.
- Much higher clocks: 4.2 GHz base, 5.3 GHz boost
- 8-channel DDR5 with ECC, up to 1TB
- Fits current sTR5 workstation boards with PCIe 5.0
- Strong single-thread performance for CAD and simulation
What separates them
| AMD Ryzen Threadripper PRO 7965WX | AMD Ryzen Threadripper 3970X | |
|---|---|---|
| Cores / threads | 24 cores, 48 threads | 32 cores, 64 threads |
| Boost clock | 5.3 GHz | Not listed; base 3.7 GHz |
| Base clock | 4.2 GHz | 3.7 GHz |
| Socket / platform | Socket sTR5, current WRX90/TRX50 boards | Socket sTR4, TRX40 boards (2019 platform) |
| Memory | 8-channel DDR5 up to 5200 MT/s, 1TB max, ECC | Quad-channel DDR4, ECC supported on TRX40 |
| TDP | 350 W | 280 W |
| L3 cache | 128 MB | 128 MB |
| Integrated graphics |
Price history
- AMD Ryzen Threadripper PRO 7965WX: lowest $1,804.99 on Nov 3 at The Server Store Parts.
- AMD Ryzen Threadripper 3970X: lowest $1,100.00 on Nov 3 at StarMicroInc.Net.
Prices at every store
AMD Ryzen Threadripper PRO 7965WX
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AMD Ryzen Threadripper 3970X
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Specs compared
| Spec | AMD Ryzen Threadripper PRO 7965WX | AMD Ryzen Threadripper 3970X |
|---|---|---|
| Number Of Cores | 24-core | 32-core |
| Supports Overclocking | Yes | Yes |
| Clock Speed | 4.2 GHz | 3.7 GHz |
| Cache Memory | 128 MB cache memory | 128 MB cache memory |
| TDP | 350 watts | 280 watts |
| Socket Type | Socket sTR5 | — |
| Integrated Graphics | No | — |
| Manufacturer | AMD | — |
| Boost Clock Speed | 5.3 GHz | — |
| Number Of Threads | 48 | — |
What reviewers say
AMD Ryzen Threadripper PRO 7965WX
Owner and reviewer discussion of the 7965WX centers on its workstation value: strong multithreaded throughput and huge memory bandwidth, weighed against platform cost and heat. It is generally seen as a sensible middle tier in the Threadripper PRO line for people who need cores and memory capacity without stepping up to 32 or 64 cores.
- PerformancePraisedOwners report strong multithreaded results in rendering and encoding.
- Memory bandwidthPraisedEight DDR5 channels with ECC are valued for large datasets and VMs.
- Power drawCriticisedThe 350 W TDP means high heat and a need for robust cooling.
Questions and answers
- Which is better for 3D rendering?
- The 3970X has 32 cores versus 24, so it wins on heavily multi-threaded renders. The 7965WX closes the gap with much higher clocks and faster 8-channel DDR5, so check benchmarks for your specific renderer.
- Which is better for CAD and single-thread work?
- The 7965WX. Its 5.3 GHz boost and 4.2 GHz base are well above the 3970X's 3.7 GHz base, and most CAD and modeling tasks lean on single-thread speed.
- Can I use the 7965WX in an older TRX40 board?
- No. The 7965WX uses socket sTR5 and needs a WRX90 or TRX50 board. The 3970X uses socket sTR4 and needs a TRX40 board; the two are not interchangeable.
- Is the 7965WX worth the extra cost?
- It depends on the price gap. You pay for a new board, DDR5, and cooling, but you get current platform support, 8-channel memory, and higher clocks. If you already own a TRX40 system, the 3970X is the cheaper upgrade.
- Which uses more power?
- The 7965WX at 350 W TDP draws more than the 3970X at 280 W. Plan for a larger cooler and power supply with the 7965WX.
- Do either have integrated graphics?
- No. Both need a discrete graphics card.
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