NVIDIA GeForce RTX 3080 12 GB vs NVIDIA A800 PCIe 40 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Nov 2022
Generation
GeForce 30
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1260 MHz
765 MHz
Boost Clock
1710 MHz
1410 MHz
Memory Clock
1188 MHz
1215 MHz
Memory
Memory Size
12GB
40GB
Memory Type
GDDR6X
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
912.4GB/s
1555GB/s
Render Config
SM Count
70
108
Shading Units
8960
6912
TMUs
280
432
ROPs
96
160
Tensor Cores
280
432
RT Cores
70
-
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
6 MB
40 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
225.6 GPixel/s
Texture Rate
478.8 GTexel/s
609.1 GTexel/s
FP16 (half)
30.64 TFLOPS
77.97 TFLOPS
FP32 (float)
30.64 TFLOPS
19.49 TFLOPS
FP64 (double)
478.8 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GA102
GA100
GPU Variant
GA102-220-A1
-
Architecture
Ampere
Ampere
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
54.2 billion
Die Size
628 mm²
826 mm²
Board Design
TDP
350W
250W
Suggested PSU
750 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
8-pin EPS
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
8.6
8.0
Shader Model
6.8
N/A