NVIDIA RTX 4000 Ada Generation vs NVIDIA A800 SXM4 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Aug 2022
Generation
Workstation Ada
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1500 MHz
1155 MHz
Boost Clock
2175 MHz
1410 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
108
Shading Units
6144
6912
TMUs
192
432
ROPs
64
160
Tensor Cores
192
432
RT Cores
48
—
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
48 MB
40 MB
Theoretical Performance
Pixel Rate
139.2 GPixel/s
225.6 GPixel/s
Texture Rate
417.6 GTexel/s
609.1 GTexel/s
FP16 (half)
26.73 TFLOPS
77.97 TFLOPS
FP32 (float)
26.73 TFLOPS
19.49 TFLOPS
FP64 (double)
417.6 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
AD104
GA100
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
35.8 billion
54.2 billion
Die Size
294 mm²
826 mm²
Board Design
TDP
130W
400W
Suggested PSU
300 W
800 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
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
8.0
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.