NVIDIA H100 PCIe 80 GB vs AMD Radeon RX 7900 XTX

Comparative analysis of NVIDIA H100 PCIe 80 GB and AMD Radeon RX 7900 XTX 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: Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

NVIDIA H100 PCIe 80 GB

AMD Radeon RX 7900 XTX

Differences

Reasons to consider the NVIDIA H100 PCIe 80 GB

2.4x more pipelines: 14592 vs 6144
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
Around 1% lower typical power consumption: 350 Watt vs 355 Watt
3.3x more maximum memory size: 80 GB vs 24 GB
Around 50% better performance in Geekbench - OpenCL: 281375 vs 187715

Specifications (specs)
Pipelines	14592 vs 6144
Manufacturing process technology	4 nm vs 5 nm
Thermal Design Power (TDP)	350 Watt vs 355 Watt
Maximum memory size	80 GB vs 24 GB
Benchmarks
Geekbench - OpenCL	281375 vs 187715

Reasons to consider the AMD Radeon RX 7900 XTX

Videocard is newer: launch date 7 month(s) later
Around 69% higher core clock speed: 1855 MHz vs 1095 MHz
Around 42% higher boost clock speed: 2499 MHz vs 1755 MHz
Around 20% higher texture fill rate: 959.6 GTexel/s vs 800.3 GTexel/s
Around 57% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 1593 MHz, 3.2 Gbps effective

Launch date	3 Nov 2022 vs 22 Mar 2022
Core clock speed	1855 MHz vs 1095 MHz
Boost clock speed	2499 MHz vs 1755 MHz
Texture fill rate	959.6 GTexel/s vs 800.3 GTexel/s
Memory clock speed	2500 MHz, 20 Gbps effective vs 1593 MHz, 3.2 Gbps effective

Compare benchmarks

GPU 1: NVIDIA H100 PCIe 80 GB
GPU 2: AMD Radeon RX 7900 XTX

Geekbench - OpenCL

GPU 1

GPU 2

281375

187715

Name	NVIDIA H100 PCIe 80 GB	AMD Radeon RX 7900 XTX
Geekbench - OpenCL	281375	187715
PassMark - G2D Mark		1228
PassMark - G3D Mark		31059
3DMark Fire Strike - Graphics Score		30727
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		492.964
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		14101.507
CompuBench 1.5 Desktop - T-Rex (Frames/s)		65.586
CompuBench 1.5 Desktop - Video Composition (Frames/s)		461.69
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2659.85

Compare specifications (specs)

	NVIDIA H100 PCIe 80 GB	AMD Radeon RX 7900 XTX
Essentials
Architecture	Hopper	RDNA 3.0
Code name	GH100	Navi 31
Launch date	22 Mar 2022	3 Nov 2022
Place in performance rating	6	8
Technical info
Boost clock speed	1755 MHz	2499 MHz
Core clock speed	1095 MHz	1855 MHz
Manufacturing process technology	4 nm	5 nm
Pipelines	14592	6144
Pixel fill rate	42.12 GPixel/s	479.8 GPixel/s
Texture fill rate	800.3 GTexel/s	959.6 GTexel/s
Thermal Design Power (TDP)	350 Watt	355 Watt
Transistor count	80000 million	57700 million
Compute units		96
Peak Double Precision (FP64) Performance		3.838 TFLOPS (1:16)
Peak Half Precision (FP16) Performance		122.8 TFLOPS (2:1)
Peak Single Precision (FP32) Performance		61.42 TFLOPS
Video outputs and ports
Display Connectors	No outputs	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Compatibility, dimensions and requirements
Form factor	Dual-slot	Dual-slot
Interface	PCIe 5.0 x16	PCIe 4.0 x16
Length	268 mm, 10.6 inches	287 mm, 11.3 inches
Recommended system power (PSU)	750 Watt	750 Watt
Supplementary power connectors	1x 16-pin	2x 8-pin
Width	111 mm, 4.4 inches	135 mm, 5.3 inches
Height		51 mm, 2 inches
API support
OpenCL	3.0	2.1
DirectX		12 Ultimate (12_2)
OpenGL		4.6
Shader Model		6.7
Vulkan
Memory
Maximum RAM amount	80 GB	24 GB
Memory bandwidth	2,039 GB/s	960.0 GB/s
Memory bus width	5120 bit	384 bit
Memory clock speed	1593 MHz, 3.2 Gbps effective	2500 MHz, 20 Gbps effective
Memory type	HBM2e	GDDR6