CPU Showdown

Core i9-11900KBvsRyzen Threadripper 7970X

The Core i9-11900KB is a compact mobile-derived chip for small-footprint builds, while the Ryzen Threadripper 7970X is a workstation titan for heavy multi-threaded tasks.

Intel Core i9-11900KB
8C / 16T · 65W
VS
AMD Ryzen Threadripper 7970X
32C / 64T · 350W
Intel

Core i9-11900KB

Tiger Lake-H · 10 nm SuperFin · 2021

14score
2.2/ 5
0 votes
Cores / Threads
8 / 16
TDP
65W
Boost Clock
4.9 GHz
L3 Cache
24 MB

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AMD

Ryzen Threadripper 7970X

Storm Peak · 5 nm · 2023

60score
4/ 5
0 votes
Cores / Threads
32 / 64
TDP
350W
Boost Clock
5.3 GHz
L3 Cache
128 MB

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest desktop CPU available.

Core i9-11900KB
14
Ryzen Threadripper 7970XWinner
60
Ryzen Threadripper 7970X leads by 328.6% in aggregate performance.
Where they rank overall
#4Ryzen Threadripper 9970X64
#5Ryzen Threadripper 7970X60
#6Ryzen Threadripper 9960X56
#182Ryzen 5 PRO 8640U14
#183Core i9-11900KB14
#184Ryzen 7 PRO 370014
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsCore i9-11900KBRyzen Threadripper 7970X
Cores
Total Cores832
Threads1664
Base Clock3.3 GHz4.0 GHz
Boost Clock4.9 GHz5.3 GHz
Cache
L2 Cache10 MB32 MB
L3 Cache24 MB128 MB
Platform
SocketFCBGA1787sTR5
MemoryDDR4DDR5
PCIePCIe 4.0PCIe 5.0
iGPUIntel UHD Graphics for 11th Gen Intel Processors
Power
Base TDP65W350W
General
ArchitectureTiger Lake-HStorm Peak
Process10 nm SuperFin5 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 7970X wins overall for its vastly higher multi-core performance and larger memory cache, leaving the Core i9-11900KB in the dust for demanding workloads.

Best value

For budget/value buyers, the Core i9-11900KB is the smarter pick if you need a low-power, compact CPU for basic tasks.

When the other wins

The Core i9-11900KB is the right choice for a small, low-power workstation where the Threadripper's high heat and size are impractical.

FAQ

Frequently asked questions

Is the Core i9-11900KB better than the Ryzen Threadripper 7970X?

Overall the Ryzen Threadripper 7970X is the stronger processor: it ranks higher in our aggregate performance score (60 vs 14 out of 100), so it leads the Core i9-11900KB in most workloads.

How much faster is the Ryzen Threadripper 7970X than the Core i9-11900KB?

Based on our aggregated benchmark scores the Ryzen Threadripper 7970X is roughly 329% faster than the Core i9-11900KB overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-11900KB or the Ryzen Threadripper 7970X?

If you want the most performance, pick the Ryzen Threadripper 7970X. If the Core i9-11900KB is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.