NVIDIA A40 PCIe vs NVIDIA TITAN Xp
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2017
Generation
Tesla
GeForce 10
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1305 MHz
1405 MHz
Boost Clock
1740 MHz
1582 MHz
Memory Clock
1812 MHz
1426 MHz
Memory
Memory Size
48GB
12GB
Memory Type
GDDR6
GDDR5X
Memory Bus
384bit
384bit
Bandwidth
695.8GB/s
547.6GB/s
Render Config
SM Count
84
30
Shading Units
10752
3840
TMUs
336
240
ROPs
112
96
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
48 KB (per SM)
L2 Cache
6 MB
3 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
151.9 GPixel/s
Texture Rate
584.6 GTexel/s
379.7 GTexel/s
FP16 (half)
37.42 TFLOPS
189.8 GFLOPS
FP32 (float)
37.42 TFLOPS
12.15 TFLOPS
FP64 (double)
584.6 GFLOPS
379.7 GFLOPS
Graphics Processor
GPU Name
GA102
GP102
Architecture
Ampere
Pascal
Foundry
Samsung
TSMC
Process Size
8 nm
16 nm
Transistors
28.3 billion
11.8 billion
Die Size
628 mm²
471 mm²
GPU Variant
-
GP102-450-A1
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
3x DisplayPort 1.4a
1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
8-pin EPS
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
6.1
Shader Model
6.6
6.8