AMD Radeon RX 7900 GRE vs NVIDIA H800 PCIe 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Jul 2023
Mar 2023
Generation
Navi III
Tesla Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1287 MHz
1095 MHz
Boost Clock
2245 MHz
1755 MHz
Memory Clock
2250 MHz
1593 MHz
Memory
Memory Size
16GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
576.0GB/s
2039GB/s
Render Config
Compute Units
80
—
Shading Units
5120
14592
TMUs
320
456
ROPs
160
24
RT Cores
80
—
L1 Cache
256 KB per Array
256 KB (per SM)
L2 Cache
6 MB
50 MB
L3 Cache
64 MB
—
SM Count
—
114
Tensor Cores
—
456
Theoretical Performance
Pixel Rate
359.2 GPixel/s
42.12 GPixel/s
Texture Rate
718.4 GTexel/s
800.3 GTexel/s
FP16 (half)
91.96 TFLOPS
204.9 TFLOPS
FP32 (float)
45.98 TFLOPS
51.22 TFLOPS
FP64 (double)
1436.8 GFLOPS
25.61 TFLOPS
Graphics Processor
GPU Name
Navi 31
GH100
GPU Variant
Navi 31 XL(215-145000206)
—
Architecture
RDNA 3.0
Hopper
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
57.7 billion
80 billion
Die Size
529 mm²
814 mm²
Board Design
TDP
260W
350W
Suggested PSU
600 W
750 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
No outputs
Power Connectors
2x 8-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
CUDA
—
9.0
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.