NVIDIA H800 PCIe 80 GB vs NVIDIA GeForce RTX 3080 Mobile 16 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Jan 2021
Generation
Tesla Hopper
GeForce 30 Mobile
Type
AI GPU
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
1110 MHz
Boost Clock
1755 MHz
1545 MHz
Memory Clock
1593 MHz
1750 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
448.0GB/s
Render Config
SM Count
114
48
Shading Units
14592
6144
TMUs
456
192
ROPs
24
96
Tensor Cores
456
192
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
4 MB
RT Cores
-
48
Theoretical Performance
Pixel Rate
42.12 GPixel/s
148.3 GPixel/s
Texture Rate
800.3 GTexel/s
296.6 GTexel/s
FP16 (half)
204.9 TFLOPS
18.98 TFLOPS
FP32 (float)
51.22 TFLOPS
18.98 TFLOPS
FP64 (double)
25.61 TFLOPS
296.6 GFLOPS
Graphics Processor
GPU Name
GH100
GA104
Architecture
Hopper
Ampere
Foundry
TSMC
Samsung
Process Size
4 nm
8 nm
Transistors
80 billion
17.4 billion
Die Size
814 mm²
392 mm²
GPU Variant
-
GA104-775-A1
Board Design
TDP
350W
115W
Suggested PSU
750 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
9.0
8.6
Shader Model
N/A
6.8