NVIDIA H100 SXM5 80 GB vs AMD Radeon RX 7900 XT
GPU · Specs Compare
Graphics Card
Release Date
Oct 2022
Nov 2022
Generation
Server Hopper
Navi III
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1590 MHz
1387 MHz
Boost Clock
1980 MHz
2394 MHz
Memory Clock
1313 MHz
2500 MHz
Memory
Memory Size
80GB
20GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
320bit
Bandwidth
3.36TB/s
800.0GB/s
Render Config
SM Count
132
—
Shading Units
16896
5376
TMUs
528
336
ROPs
24
192
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
256 KB per Array
L2 Cache
50 MB
6 MB
Compute Units
—
84
RT Cores
—
84
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
459.6 GPixel/s
Texture Rate
1045 GTexel/s
804.4 GTexel/s
FP16 (half)
267.6 TFLOPS
103.0 TFLOPS
FP32 (float)
66.91 TFLOPS
51.48 TFLOPS
FP64 (double)
33.45 TFLOPS
1.609 TFLOPS
Graphics Processor
GPU Name
GH100
Navi 31
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
57.7 billion
Die Size
814 mm²
529 mm²
GPU Variant
—
Navi 31 XT(215-145000156)
Board Design
TDP
700W
300W
Suggested PSU
1100 W
700 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
9.0
—
Shader Model
N/A
6.8
Benchmark
3DMark Time Spy
—
26,829
3DMark Time Spy Extreme
—
13,130
3DMark Speed Way
—
5,364
▲ Specs Compare
Data sourced from official specifications and benchmark tests.