NVIDIA H100 CNX vs AMD Radeon RX 7900M

Comparative analysis of NVIDIA H100 CNX and AMD Radeon RX 7900M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL.

NVIDIA H100 CNX

AMD Radeon RX 7900M

Differences

Reasons to consider the NVIDIA H100 CNX

Around 40% higher texture fill rate: 841.3 GTexel/s vs 601.9 GTexel/s
3.2x more pipelines: 14592 vs 4608
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
5x more maximum memory size: 80 GB vs 16 GB

Texture fill rate	841.3 GTexel/s vs 601.9 GTexel/s
Pipelines	14592 vs 4608
Manufacturing process technology	4 nm vs 5 nm
Maximum memory size	80 GB vs 16 GB

Reasons to consider the AMD Radeon RX 7900M

Videocard is newer: launch date 1 year(s) 6 month(s) later
2.6x more core clock speed: 1825 MHz vs 690 MHz
Around 13% higher boost clock speed: 2090 MHz vs 1845 MHz
Around 94% lower typical power consumption: 180 Watt vs 350 Watt
Around 41% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 1593 MHz, 3.2 Gbps effective

Launch date	19 Oct 2023 vs 22 Mar 2022
Core clock speed	1825 MHz vs 690 MHz
Boost clock speed	2090 MHz vs 1845 MHz
Thermal Design Power (TDP)	180 Watt vs 350 Watt
Memory clock speed	2250 MHz, 18 Gbps effective vs 1593 MHz, 3.2 Gbps effective

Compare benchmarks

GPU 1: NVIDIA H100 CNX
GPU 2: AMD Radeon RX 7900M

Name	NVIDIA H100 CNX	AMD Radeon RX 7900M
PassMark - G2D Mark		920
PassMark - G3D Mark		22520
Geekbench - OpenCL		117210

Compare specifications (specs)

	NVIDIA H100 CNX	AMD Radeon RX 7900M
Essentials
Architecture	Hopper	RDNA 3.0
Code name	GH100	Navi 31
Launch date	22 Mar 2022	19 Oct 2023
Place in performance rating	not rated	39
Technical info
Boost clock speed	1845 MHz	2090 MHz
Core clock speed	690 MHz	1825 MHz
Manufacturing process technology	4 nm	5 nm
Pipelines	14592	4608
Pixel fill rate	44.28 GPixel/s	267.5 GPixel/s
Texture fill rate	841.3 GTexel/s	601.9 GTexel/s
Thermal Design Power (TDP)	350 Watt	180 Watt
Transistor count	80000 million	57700 million
Compute units		72
Video outputs and ports
Display Connectors	No outputs	Portable Device Dependent
Compatibility, dimensions and requirements
Form factor	Dual-slot	IGP
Interface	PCIe 5.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches
Recommended system power (PSU)	750 Watt
Supplementary power connectors	8-pin EPS	None
Width	111 mm, 4.4 inches
API support
OpenCL	3.0	2.2
DirectX		12 Ultimate (12_2)
OpenGL		4.6
Shader Model		6.7
Vulkan
Memory
Maximum RAM amount	80 GB	16 GB
Memory bandwidth	2,039 GB/s	576.0 GB/s
Memory bus width	5120 bit	256 bit
Memory clock speed	1593 MHz, 3.2 Gbps effective	2250 MHz, 18 Gbps effective
Memory type	HBM2e	GDDR6