NVIDIA RTX 4000 Ada Generation vs NVIDIA H800 PCIe 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Mar 2023
Generation
Workstation Ada
Tesla Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1500 MHz
1095 MHz
Boost Clock
2175 MHz
1755 MHz
Memory Clock
2250 MHz
1593 MHz
Memory
Memory Size
20GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
160bit
5120bit
Bandwidth
360.0GB/s
2039GB/s
Render Config
SM Count
48
114
Shading Units
6144
14592
TMUs
192
456
ROPs
64
24
Tensor Cores
192
456
RT Cores
48
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
48 MB
50 MB
Theoretical Performance
Pixel Rate
139.2 GPixel/s
42.12 GPixel/s
Texture Rate
417.6 GTexel/s
800.3 GTexel/s
FP16 (half)
26.73 TFLOPS
204.9 TFLOPS
FP32 (float)
26.73 TFLOPS
51.22 TFLOPS
FP64 (double)
417.6 GFLOPS
25.61 TFLOPS
Graphics Processor
GPU Name
AD104
GH100
Architecture
Ada Lovelace
Hopper
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
35.8 billion
80 billion
Die Size
294 mm²
814 mm²
Board Design
TDP
130W
350W
Suggested PSU
300 W
750 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
9.0
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.