Intel Core i9-10900K vs. AMD Ryzen 9 3900X

CPU comparison with benchmarks


Intel Core i9-10900K CPU1 vs CPU2 AMD Ryzen 9 3900X
Intel Core i9-10900K AMD Ryzen 9 3900X
Intel Core i9 Family AMD Ryzen
Intel Core i 10000 CPU group AMD Ryzen 3000
10 Generation 3
Comet Lake S Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
Intel Core i9-9900K Predecessor --
Intel Core i9-11900K Successor AMD Ryzen 9 5900X

CPU Cores and Base FrequencyCPU Cores and Base Frequency

10 Cores 12
20 Threads 24
3.70 GHz Frequency 3.80 GHz
5.30 GHz Turbo (1 Core) 4.60 GHz
4.90 GHz Turbo (All Cores) 4.20 GHz
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes

Internal GraphicsInternal Graphics

Intel UHD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency
1.20 GHz GPU (Turbo)
9.5 GPU Generation
14 nm Technology
3 Max. displays
24 Execution units
192 Shader
64 GB Max. GPU Memory
12 DirectX Version

Hardware codec supportHardware codec support

Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIeMemory & PCIe

DDR4-2933 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 Memory channels 2
No ECC Yes
L2 Cache 6.00 MB
20.00 MB L3 Cache 64.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 20

Thermal ManagementThermal Management

125 W TDP (PL1) 105 W
-- TDP (PL2) 142 W
-- TDP up --
95 W TDP down --
100 °C Tjunction max. 95 °C

Technical detailsTechnical details

14 nm Technology 7 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1200 Socket AM4
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Q2/2020 Release date Q3/2019
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Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
1382 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
1302 (94%)
Amazon
Show all Cinebench R23 (Single-Core) results



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
15945 (88%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
18165 (100%)
Amazon
Show all Cinebench R23 (Multi-Core) results



Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
645 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
502 (78%)
Amazon
Show all Cinebench R20 (Single-Core) results



Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
6419 (92%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
6954 (100%)
Amazon
Show all Cinebench R20 (Multi-Core) results



Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
232 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
214 (92%)
Amazon
Show all Cinebench R15 (Single-Core) results



Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
2668 (84%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
3168 (100%)
Amazon
Show all Cinebench R15 (Multi-Core) results



Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
1417 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
1300 (92%)
Amazon
Show all Geekbench 5, 64bit (Single-Core) results



Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
11344 (91%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
12454 (100%)
Amazon
Show all Geekbench 5, 64bit (Multi-Core) results



Monero Hashrate kH/s

The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible. Tested with XMRig v6.x under the operation system HiveOS.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
7 (50%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
14 (100%)
Amazon
Show all Monero Hashrate kH/s results



iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.

Intel Core i9-10900K Intel Core i9-10900K
Intel UHD Graphics 630 @ 1.20 GHz
461 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
--
0 (0%)
Amazon
Show all iGPU - FP32 Performance (Single-precision GFLOPS) results



Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
126 (100%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
115.9 (92%)
Amazon
Show all Blender 2.81 (bmw27) results



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
24090 (75%)
Amazon
AMD Ryzen 9 3900X AMD Ryzen 9 3900X
12x 3.80 GHz (4.60 GHz) HT
31947 (100%)
Amazon
Show all Estimated results for PassMark CPU Mark results



Devices using this processorDevices using this processor

Intel Core i9-10900K AMD Ryzen 9 3900X
Unknown Kiebel Gamer-PC Loki [184837]
Memory PC High End PC AMD Ryzen 9 3900X
dercomputerladen Gaming PC RGB Level 20 AMD Ryzen 9 3900X
With the AMD Ryzen 9 3900X, AMD positions a 12 core processor against Intel's mainstream top model, the Intel Core i9-10900K. The latter has 10 cores (20 threads) that can be clocked at up to 4.9 GHz. The maximum turbo is even 5.3 GHz in single-core mode. This sets a record for the clock frequency of desktop processors based on x86-64.

The AMD Ryzen 9 3900X cannot clock its 12 cores (24 threads) quite as high with 4.2 GHz (multi-core) or 4.6 GHz (single-core). However, the 12-core processor based on the Zen-2 architecture has a higher computing power per clock (IPC), so that it achieves a performance similar to the Intel Core i9-10900K under single-core load. For applications that are very much adapted to multi-threading, the AMD processor is approx. 10 percent faster than the Intel Core i9-10900K.

Both processors have an open multiplier and are officially approved for overclocking. However, both processors are clocked quite high ex works, so that hardly any further clock increases are possible with the Intel Core i9-10900K. In addition, the waste heat of the CPUs increases sharply during overclocking. Since Intel's 10-core processor already exceeds 225 watts under full load, very good air or, better, water cooling is required here to get the additional waste heat under control.

Both processors support up to 128 GB of RAM in two memory channels. Intel's processor is officially approved up to DDR4-2933, the AMD Ryzen 9 3900X even up to DDR4-3200. The clock frequency of the main memory can also be increased above the official values. This can be done manually or via D.O.C.P. (AMD) or XMP (Intel) profile and requires a correspondingly approved memory. When it comes to the maximum clock frequencies of the memory, Intel is currently ahead of the game, because most processors manage DDR-4000, while AMD usually ends with DDR4-3600 / DDR4-3800 as long as the BLCK is not increased.

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