NVIDIA A40 PCIe vs NVIDIA A30 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2021
Generation
Tesla
Tesla Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1305 MHz
930 MHz
Boost Clock
1740 MHz
1440 MHz
Memory Clock
1812 MHz
1215 MHz
Memory
Memory Size
48GB
24GB
Memory Type
GDDR6
HBM2e
Memory Bus
384bit
3072bit
Bandwidth
695.8GB/s
933.1GB/s
Render Config
SM Count
84
56
Shading Units
10752
3584
TMUs
336
224
ROPs
112
96
Tensor Cores
336
224
RT Cores
84
—
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
6 MB
24 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
138.2 GPixel/s
Texture Rate
584.6 GTexel/s
322.6 GTexel/s
FP16 (half)
37.42 TFLOPS
10.32 TFLOPS
FP32 (float)
37.42 TFLOPS
10.32 TFLOPS
FP64 (double)
584.6 GFLOPS
5.161 TFLOPS
Graphics Processor
GPU Name
GA102
GA100
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
300W
165W
Suggested PSU
700 W
450 W
Outputs
3x DisplayPort 1.4a
No outputs
Power Connectors
8-pin EPS
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
6.6
N/A
Benchmark
Blender
—
2,036
▲ Specs Compare
Data sourced from official specifications and benchmark tests.