Core i7-12700K vs Ryzen Threadripper PRO 9945WX

Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
AMD

Ryzen Threadripper PRO 9945WX

12 Cores24 Thrd350 WWMax: 5.4 GHz2025

Popular choices:

i7-12700K

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-12700K

2021

Why buy it

  • Costs $931 less on MSRP ($409 MSRP vs $1,340 MSRP).
  • Delivers 97.9% more PassMark for each dollar spent, at 84.0 vs 42.4 PassMark/$ ($409 MSRP vs $1,340 MSRP).
  • Draws 125W instead of 350W, a 225W reduction.
  • Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen Threadripper PRO 9945WX needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9945WX across 50 shared CPU benchmark tests.
  • Lower PassMark (34,347 vs 56,854).
  • Smaller total L3 cache (25 MB vs 64 MB).
  • Less compelling for workstation-style loads than Ryzen Threadripper PRO 9945WX, which brings 12 cores / 24 threads and 128 PCIe lanes.

Ryzen Threadripper PRO 9945WX

2025

Why buy it

  • Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
  • +156% larger total L3 cache (64 MB vs 25 MB).
  • Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 128 PCIe lanes vs 20.
  • 540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 42.4 vs 84.0 PassMark/$ ($1,340 MSRP vs $409 MSRP).
  • 180% higher power demand at 350W vs 125W.
  • No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen Threadripper PRO 9945WX better than Core i7-12700K?
Not in a simple one-size-fits-all way. Ryzen Threadripper PRO 9945WX makes more sense for workstation-style multi-core throughput, while Core i7-12700K is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for gaming?
If gaming is the priority, Ryzen Threadripper PRO 9945WX is the better pick here. According to our tests, it delivers 7.6% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 9945WX is the better fit. You are getting 65.5% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 156% larger total L3 cache (64 MB vs 25 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 9945WX is still the faster CPU overall, but Core i7-12700K makes more sense if price matters more than absolute performance. Ryzen Threadripper PRO 9945WX is 227.6% more expensive on MSRP at $1,340 MSRP versus $409 MSRP, and it gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. Core i7-12700K is also 97.9% better value on MSRP (84.0 vs 42.4 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9945WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), 156% larger total L3 cache (64 MB vs 25 MB), more multi-core headroom with 12 cores / 24 threads instead of 12/20, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i7-12700KRyzen Threadripper PRO 9945WX
1080p
low314 FPS278 FPS
medium295 FPS253 FPS
high246 FPS216 FPS
ultra193 FPS188 FPS
1440p
low269 FPS262 FPS
medium225 FPS214 FPS
high182 FPS169 FPS
ultra145 FPS152 FPS
4K
low170 FPS180 FPS
medium142 FPS147 FPS
high109 FPS111 FPS
ultra96 FPS98 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-12700KRyzen Threadripper PRO 9945WX
1080p
low630 FPS791 FPS
medium533 FPS650 FPS
high450 FPS485 FPS
ultra410 FPS409 FPS
1440p
low536 FPS651 FPS
medium475 FPS555 FPS
high403 FPS428 FPS
ultra349 FPS333 FPS
4K
low312 FPS366 FPS
medium280 FPS315 FPS
high266 FPS277 FPS
ultra234 FPS233 FPS
League of Legends

League of Legends

PresetCore i7-12700KRyzen Threadripper PRO 9945WX
1080p
low797 FPS886 FPS
medium633 FPS704 FPS
high556 FPS622 FPS
ultra472 FPS534 FPS
1440p
low704 FPS712 FPS
medium565 FPS566 FPS
high490 FPS488 FPS
ultra422 FPS414 FPS
4K
low510 FPS507 FPS
medium425 FPS418 FPS
high381 FPS375 FPS
ultra321 FPS315 FPS
Valorant

Valorant

PresetCore i7-12700KRyzen Threadripper PRO 9945WX
1080p
low859 FPS1106 FPS
medium802 FPS991 FPS
high699 FPS867 FPS
ultra628 FPS781 FPS
1440p
low760 FPS860 FPS
medium678 FPS759 FPS
high590 FPS664 FPS
ultra519 FPS576 FPS
4K
low535 FPS632 FPS
medium488 FPS562 FPS
high437 FPS496 FPS
ultra384 FPS429 FPS

Technical Specifications

Side-by-side comparison of Core i7-12700K and Ryzen Threadripper PRO 9945WX

Intel

Core i7-12700K

The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

AMD

Ryzen Threadripper PRO 9945WX

The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 56,854 points. Launch price was $2,000.

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, matching the Ryzen Threadripper PRO 9945WX's 12 cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — a 7.7% clock advantage for the Ryzen Threadripper PRO 9945WX (base: 3.6 GHz vs 4.7 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 49.4% lead for the Ryzen Threadripper PRO 9945WX. L3 cache: 25 MB (total) on the Core i7-12700K vs 64 MB (total) on the Ryzen Threadripper PRO 9945WX.

FeatureCore i7-12700KRyzen Threadripper PRO 9945WX
Cores / Threads
12 / 20
12 / 24
Boost Clock
5 GHz
5.4 GHz+8%
Base Clock
3.6 GHz
4.7 GHz+31%
L3 Cache
25 MB (total)
64 MB (total)+156%
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
10 nm
4 nm-60%
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
Shimada Peak (2025)
PassMark
34,347
56,854+66%
🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus 6400 on the Ryzen Threadripper PRO 9945WX — the Ryzen Threadripper PRO 9945WX supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 9945WX supports up to 2048 of RAM compared to 128 176.5% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 8 (Ryzen Threadripper PRO 9945WX). PCIe lanes: 20 (Core i7-12700K) vs 128 (Ryzen Threadripper PRO 9945WX) — the Ryzen Threadripper PRO 9945WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).

FeatureCore i7-12700KRyzen Threadripper PRO 9945WX
Socket
LGA1700
sTR5
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
4800
6400+33%
Max RAM Capacity
128
2048+1500%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
20
128+540%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 9945WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-12700K) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen Threadripper PRO 9945WX requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.

FeatureCore i7-12700KRyzen Threadripper PRO 9945WX
Integrated GPU
Yes
No
IGPU Model
Intel UHD Graphics 770
None
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d, AMD-V
💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Ryzen Threadripper PRO 9945WX debuted at $1340. On MSRP ($409 vs $1340), the Core i7-12700K is $931 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 42.4 pts/$ for the Ryzen Threadripper PRO 9945WX — making the Core i7-12700K the 65.7% better value option.

FeatureCore i7-12700KRyzen Threadripper PRO 9945WX
MSRP
$409-69%
$1340
Performance per Dollar
84.0+98%
42.4
Release Date
2021
2025