NVIDIA H100 CNX vs AMD Radeon RX 7900 GRE
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Jul 2023
Generation
Tesla Hopper
Navi III
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
690 MHz
1287 MHz
Boost Clock
1845 MHz
2245 MHz
Memory Clock
1593 MHz
2250 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
576.0GB/s
Render Config
SM Count
114
—
Shading Units
14592
5120
TMUs
456
320
ROPs
24
160
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
256 KB per Array
L2 Cache
50 MB
6 MB
Compute Units
—
80
RT Cores
—
80
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
44.28 GPixel/s
359.2 GPixel/s
Texture Rate
841.3 GTexel/s
718.4 GTexel/s
FP16 (half)
215.4 TFLOPS
91.96 TFLOPS
FP32 (float)
53.84 TFLOPS
45.98 TFLOPS
FP64 (double)
26.92 TFLOPS
1436.8 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 31
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
80 billion
57.7 billion
Die Size
814 mm²
529 mm²
GPU Variant
—
Navi 31 XL(215-145000206)
Board Design
TDP
350W
260W
Suggested PSU
750 W
600 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
8-pin EPS
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
—
22,476
3DMark Time Spy Extreme
—
10,591
3DMark Speed Way
—
4,417
Cyberpunk 2077 2160p
—
40
Cyberpunk 2077 1440p
—
88
Blender
—
3,114
Cyberpunk 2077 1080p
—
130
▲ Specs Compare
Data sourced from official specifications and benchmark tests.