NVIDIA H100 PCIe 80 GB vs NVIDIA GeForce RTX 4080

Comparative analysis of NVIDIA H100 PCIe 80 GB and NVIDIA GeForce RTX 4080 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

NVIDIA H100 PCIe 80 GB

NVIDIA GeForce RTX 4080

Differences

Reasons to consider the NVIDIA H100 PCIe 80 GB

Around 5% higher texture fill rate: 800.3 GTexel/s vs 761.5 GTexel/s
Around 50% higher pipelines: 14592 vs 9728
5x more maximum memory size: 80 GB vs 16 GB
Around 14% higher memory clock speed: 1593 MHz, 3.2 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Around 17% better performance in Geekbench - OpenCL: 281732 vs 240563

Specifications (specs)
Texture fill rate	800.3 GTexel/s vs 761.5 GTexel/s
Pipelines	14592 vs 9728
Maximum memory size	80 GB vs 16 GB
Memory clock speed	1593 MHz, 3.2 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Benchmarks
Geekbench - OpenCL	281732 vs 240563

Reasons to consider the NVIDIA GeForce RTX 4080

Videocard is newer: launch date 5 month(s) later
2x more core clock speed: 2205 MHz vs 1095 MHz
Around 43% higher boost clock speed: 2505 MHz vs 1755 MHz
Around 9% lower typical power consumption: 320 Watt vs 350 Watt

Launch date	20 Sep 2022 vs 22 Mar 2022
Core clock speed	2205 MHz vs 1095 MHz
Boost clock speed	2505 MHz vs 1755 MHz
Thermal Design Power (TDP)	320 Watt vs 350 Watt

Compare benchmarks

GPU 1: NVIDIA H100 PCIe 80 GB
GPU 2: NVIDIA GeForce RTX 4080

Geekbench - OpenCL

GPU 1

GPU 2

281732

240563

Name	NVIDIA H100 PCIe 80 GB	NVIDIA GeForce RTX 4080
Geekbench - OpenCL	281732	240563
PassMark - G2D Mark		1243
PassMark - G3D Mark		34617
3DMark Fire Strike - Graphics Score		28228
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		722.769
CompuBench 1.5 Desktop - T-Rex (Frames/s)		72.795
CompuBench 1.5 Desktop - Video Composition (Frames/s)		272.641

Compare specifications (specs)

	NVIDIA H100 PCIe 80 GB	NVIDIA GeForce RTX 4080
Essentials
Architecture	Hopper	Ada Lovelace
Code name	GH100	AD103
Launch date	22 Mar 2022	20 Sep 2022
Place in performance rating	5	6
Technical info
Boost clock speed	1755 MHz	2505 MHz
Core clock speed	1095 MHz	2205 MHz
Manufacturing process technology	4 nm	4 nm
Pipelines	14592	9728
Pixel fill rate	42.12 GPixel/s	280.6 GPixel/s
Texture fill rate	800.3 GTexel/s	761.5 GTexel/s
Thermal Design Power (TDP)	350 Watt	320 Watt
Transistor count	80000 million	45900 million
Peak Double Precision (FP64) Performance		761.5 GFLOPS (1:64)
Peak Half Precision (FP16) Performance		48.74 TFLOPS (1:1)
Peak Single Precision (FP32) Performance		48.74 TFLOPS
Video outputs and ports
Display Connectors	No outputs	1x HDMI 2.1, 3x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Interface	PCIe 5.0 x16	PCIe 4.0 x16
Length	268 mm, 10.6 inches	310 mm, 12.2 inches
Recommended system power (PSU)	750 Watt	700 Watt
Supplementary power connectors	1x 16-pin	1x 16-pin
Width	111 mm, 4.4 inches	140 mm, 5.5 inches
Height		61 mm, 2.4 inches
API support
OpenCL	3.0	3.0
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	716.8 GB/s
Memory bus width	5120 bit	256 bit
Memory clock speed	1593 MHz, 3.2 Gbps effective	1400 MHz, 22.4 Gbps effective
Memory type	HBM2e	GDDR6X