NVIDIA GeForce RTX 3080 Mobile vs NVIDIA A800 PCIe 40 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Nov 2022
Generation
GeForce 30 Mobile
Ampere
Type
Mobile
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1110 MHz
765 MHz
Boost Clock
1545 MHz
1410 MHz
Memory Clock
1750 MHz
1215 MHz
Memory
Memory Size
8GB
40GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
448.0GB/s
1555GB/s
Render Config
SM Count
48
108
Shading Units
6144
6912
TMUs
192
432
ROPs
96
160
Tensor Cores
192
432
RT Cores
48
-
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
4 MB
40 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
225.6 GPixel/s
Texture Rate
296.6 GTexel/s
609.1 GTexel/s
FP16 (half)
18.98 TFLOPS
77.97 TFLOPS
FP32 (float)
18.98 TFLOPS
19.49 TFLOPS
FP64 (double)
296.6 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GA104
GA100
GPU Variant
GA104-775-A1
-
Architecture
Ampere
Ampere
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
17.4 billion
54.2 billion
Die Size
392 mm²
826 mm²
Board Design
TDP
115W
250W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Suggested PSU
-
600 W
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
6.6
N/A