NVIDIA H800 SXM5 vs AMD Radeon HD 6990M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Jul 2011
Generation
Server Hopper
Vancouver
Type
AI GPU
Mobile
Bus Interface
PCIe 5.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1095 MHz
—
Boost Clock
1755 MHz
—
Memory Clock
1313 MHz
900 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
115.2GB/s
Render Config
SM Count
132
—
Shading Units
16896
1120
TMUs
528
56
ROPs
24
32
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
8 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
42.12 GPixel/s
22.88 GPixel/s
Texture Rate
926.6 GTexel/s
40.04 GTexel/s
FP16 (half)
237.2 TFLOPS
—
FP32 (float)
59.30 TFLOPS
1.602 TFLOPS
FP64 (double)
29.65 TFLOPS
—
Graphics Processor
GPU Name
GH100
Blackcomb
Architecture
Hopper
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
80 billion
1.7 billion
Die Size
814 mm²
212 mm²
GPU Variant
—
Blackcomb XTX(216-0811030)
Board Design
TDP
700W
100W
Suggested PSU
1100 W
—
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
11.2 (11_0)
OpenGL
N/A
4.4
OpenCL
3.0
1.2
Vulkan
N/A
N/A
CUDA
9.0
—
Shader Model
N/A
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.