AMD Ryzen 9 7900 vs AMD EPYC 9115

Last updated: 2024-04-12

Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor.

CPU comparison with benchmarks


AMD Ryzen 9 7900		AMD EPYC 9115
CPU comparison AMD Ryzen 9 7900 or AMD EPYC 9115 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The AMD Ryzen 9 7900 has 12 cores with 24 threads and clocks with a maximum frequency of 5.40 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7900 was released in Q1/2023. The AMD EPYC 9115 has 16 cores with 32 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9115 was released in Q4/2024.

AMD Ryzen 9 (35)	Family	AMD EPYC (129)
AMD Ryzen 7000 (14)	CPU group	AMD EPYC 9005 (21)
6	Generation	5
Raphael (Zen 4)	Architecture	Turin (Zen 5 / Zen 5c)
Desktop / Server	Segment	Desktop / Server
AMD Ryzen 9 5900	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Ryzen 9 7900 has 12 CPU cores and can calculate 24 threads in parallel. The clock frequency of the AMD Ryzen 9 7900 is 3.70 GHz (5.40 GHz) while the AMD EPYC 9115 has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9115 is at 3.30 GHz.
AMD Ryzen 9 7900	Characteristic	AMD EPYC 9115
12	Cores	16
24	Threads	32
normal	Core architecture	normal
Yes	Hyperthreading	Yes
Yes	Overclocking ?	No
3.70 GHz	Frequency	3.30 GHz
5.40 GHz	Turbo Frequency (1 Core)	--
4.70 GHz	Turbo Frequency (All Cores)	--

Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
AMD Ryzen 9 7900	Characteristic	AMD EPYC 9115
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Ryzen 9 7900 or AMD EPYC 9115 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
AMD Radeon Graphics (Raphael)	GPU	no iGPU
0.40 GHz	GPU frequency	--
2.20 GHz	GPU (Turbo)	--
9	GPU Generation	--
5 nm	Technology
3	Max. displays
2	Compute units	--
128	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
8 GB	Max. GPU Memory	--
12	DirectX Version	--

Hardware codec support A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
AMD Radeon Graphics (Raphael)	GPU	no iGPU
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
Decode	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The AMD Ryzen 9 7900 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The AMD EPYC 9115 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 480.0 GB/s.
AMD Ryzen 9 7900	Characteristic	AMD EPYC 9115
DDR5-5200	Memory	DDR5-6000
128 GB	Max. Memory	6144 GB
2 (Dual Channel)	Memory channels	12
83.2 GB/s	Max. Bandwidth	480.0 GB/s
Yes	ECC	Yes
12.00 MB	L2 Cache	--
64.00 MB	L3 Cache	64.00 MB
5.0	PCIe version	5.0
24	PCIe lanes	128
94.5 GB/s	PCIe Bandwidth	504.1 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD Ryzen 9 7900 is 65 W, while the AMD EPYC 9115 has a TDP of 155 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 9 7900	Characteristic	AMD EPYC 9115
65 W	TDP (PL1 / PBP)	155 W
88 W	TDP (PL2)	--
170 W	TDP up	--
--	TDP down	--
95 °C	Tjunction max.	100 °C
Technical details The AMD Ryzen 9 7900 is manufactured in 5 nm and has 76.00 MB cache. The AMD EPYC 9115 is manufactured in 4 nm and has a 64.00 MB cache.
AMD Ryzen 9 7900	Characteristic	AMD EPYC 9115
5 nm	Technology	4 nm
Chiplet	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	ISA extensions	SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
AM5 (LGA 1718)	Socket	SP5
AMD-V, SVM	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows Server 2022, Linux, Windows 11
Q1/2023	Release date	Q4/2024
--	Release price	--

show more data		show more data

AMD Ryzen 9 7900 12C 24T @ 3.70 GHz (5.40 GHz) buy now on Amazon and save! AMD EPYC 9115 16C 32T @ 3.30 GHz buy now on Amazon and save!

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Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	116 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	1632 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	1964 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	28905 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	2206 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	21140 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	2798 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	16832 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	764 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	11088 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 AMD Radeon Graphics (Raphael) @ 2.20 GHz	563 (100%)
	AMD EPYC 9115 @ 0.00 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	49250 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 5.40 GHz	314 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

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.


	AMD Ryzen 9 7900 12C 24T @ 4.70 GHz	4796 (100%)
	AMD EPYC 9115 16C 32T @ 3.30 GHzNot verified	0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.


	AMD Ryzen 9 7900 28,905 CB R23 MC @ 90 W	321 (100%)
	AMD EPYC 9115 3.30 GHz Not verified	0 (0%)

Devices using this processor
AMD Ryzen 9 7900	AMD EPYC 9115
Unknown	Unknown

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