AMD Radeon R9 295X2 vs NVIDIA A40 PCIe
GPU Specs Compare
Graphics Card
Release Date
Apr 2014
Oct 2020
Generation
Volcanic Islands
Tesla
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1812 MHz
Base Clock
-
1305 MHz
Boost Clock
-
1740 MHz
Memory
Memory Size
4GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
384bit
Bandwidth
320.0GB/s
695.8GB/s
Render Config
Compute Units
44
-
Shading Units
2816
10752
TMUs
176
336
ROPs
64
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
6 MB
SM Count
-
84
Tensor Cores
-
336
RT Cores
-
84
Theoretical Performance
Pixel Rate
65.15 GPixel/s
194.9 GPixel/s
Texture Rate
179.2 GTexel/s
584.6 GTexel/s
FP32 (float)
5.733 TFLOPS
37.42 TFLOPS
FP64 (double)
716.7 GFLOPS
584.6 GFLOPS
FP16 (half)
-
37.42 TFLOPS
Graphics Processor
GPU Name
Vesuvius
GA102
GPU Variant
Vesuvius XT(215-0852022)
-
Architecture
GCN 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
6.2 billion
28.3 billion
Die Size
438 mm²
628 mm²
Board Design
TDP
500W
300W
Suggested PSU
900 W
700 W
Outputs
1x DVI4x mini-DisplayPort 1.2
3x DisplayPort 1.4a
Power Connectors
2x 8-pin
8-pin EPS
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.6
CUDA
-
8.6