NVIDIA H100 PCIe 80 GB vs AMD Radeon RX 7900 XT

Comparative analysis of NVIDIA H100 PCIe 80 GB and AMD Radeon RX 7900 XT 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 XT

Differences

Reasons to consider the NVIDIA H100 PCIe 80 GB

2.7x more pipelines: 14592 vs 5376
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
4x more maximum memory size: 80 GB vs 20 GB
Around 66% better performance in Geekbench - OpenCL: 281515 vs 169572

Specifications (specs)
Pipelines	14592 vs 5376
Manufacturing process technology	4 nm vs 5 nm
Maximum memory size	80 GB vs 20 GB
Benchmarks
Geekbench - OpenCL	281515 vs 169572

Reasons to consider the AMD Radeon RX 7900 XT

Videocard is newer: launch date 7 month(s) later
Around 37% higher core clock speed: 1500 MHz vs 1095 MHz
Around 36% higher boost clock speed: 2394 MHz vs 1755 MHz
Around 1% higher texture fill rate: 804.4 GTexel/s vs 800.3 GTexel/s
Around 17% lower typical power consumption: 300 Watt vs 350 Watt
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	1500 MHz vs 1095 MHz
Boost clock speed	2394 MHz vs 1755 MHz
Texture fill rate	804.4 GTexel/s vs 800.3 GTexel/s
Thermal Design Power (TDP)	300 Watt vs 350 Watt
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 XT

Geekbench - OpenCL

GPU 1

GPU 2

281515

169572

Name	NVIDIA H100 PCIe 80 GB	AMD Radeon RX 7900 XT
Geekbench - OpenCL	281515	169572
PassMark - G2D Mark		1217
PassMark - G3D Mark		28850
3DMark Fire Strike - Graphics Score		5623
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		343.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		12483.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)		60.185
CompuBench 1.5 Desktop - Video Composition (Frames/s)		320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2714.187

Compare specifications (specs)

	NVIDIA H100 PCIe 80 GB	AMD Radeon RX 7900 XT
Essentials
Architecture	Hopper	RDNA 3.0
Code name	GH100	Navi 31
Launch date	22 Mar 2022	3 Nov 2022
Place in performance rating	3	17
Technical info
Boost clock speed	1755 MHz	2394 MHz
Core clock speed	1095 MHz	1500 MHz
Manufacturing process technology	4 nm	5 nm
Pipelines	14592	5376
Pixel fill rate	42.12 GPixel/s	459.6 GPixel/s
Texture fill rate	800.3 GTexel/s	804.4 GTexel/s
Thermal Design Power (TDP)	350 Watt	300 Watt
Transistor count	80000 million	57700 million
Compute units		84
Peak Double Precision (FP64) Performance		3.218 TFLOPS (1:16)
Peak Half Precision (FP16) Performance		103.0 TFLOPS (2:1)
Peak Single Precision (FP32) Performance		51.48 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	276 mm, 10.9 inches
Recommended system power (PSU)	750 Watt	700 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	20 GB
Memory bandwidth	2,039 GB/s	800.0 GB/s
Memory bus width	5120 bit	320 bit
Memory clock speed	1593 MHz, 3.2 Gbps effective	2500 MHz, 20 Gbps effective
Memory type	HBM2e	GDDR6