Intel Core i9-9900KS vs. AMD Ryzen 9 3900XT

CPU comparison with benchmarks


Intel Core i9-9900KS CPU1 vs CPU2 AMD Ryzen 9 3900XT
Intel Core i9-9900KS AMD Ryzen 9 3900XT
Intel Core i9 Family AMD Ryzen
Intel Core i 9000 CPU group AMD Ryzen 3000
9 Generation 3
Coffee Lake S Refresh Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base FrequencyCPU Cores and Base Frequency

8 Cores 12
16 Threads 24
4.00 GHz Frequency 4.10 GHz
5.00 GHz Turbo (1 Core) 4.70 GHz
4.80 GHz Turbo (All Cores) 4.60 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

DDR4-2666 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 Memory channels 2
No ECC Yes
L2 Cache
16.00 MB L3 Cache 64.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 20

Thermal ManagementThermal Management

127 W TDP (PL1) 105 W
159 W @ 28 s TDP (PL2) 142 W
-- TDP up --
-- 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 1151-2 Socket AM4
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Q4/2019 Release date Q2/2020
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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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
1284 (95%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
1354 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
12704 (69%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
18511 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
518 (96%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
539 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
5226 (72%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
7244 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
222 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
219 (99%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
2201 (69%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
3192 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
1419 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
1414 (100%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
9471 (73%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
12974 (100%)
Amazon
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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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
5.75 (41%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
14 (100%)
Amazon
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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 i9-9900KS Intel Core i9-9900KS
Intel UHD Graphics 630 @ 1.20 GHz
461 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
--
0 (0%)
Amazon
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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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
148 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
0 (0%)
Amazon
Show all benchmark results



Geekbench 3, 64bit (Single-Core)

Geekbench 3 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
6250 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
0 (0%)
Amazon
Show all benchmark results



Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
38244 (100%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
0 (0%)
Amazon
Show all benchmark 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 i9-9900KS Intel Core i9-9900KS
8x 4.00 GHz (5.00 GHz) HT
21095 (64%)
Amazon
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12x 4.10 GHz (4.70 GHz) HT
33022 (100%)
Amazon
Show all benchmark results



Devices using this processorDevices using this processor

Intel Core i9-9900KS AMD Ryzen 9 3900XT
Unknown Unknown

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