Radeon R9 295X2 vs A40 PCIe
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
A40 PCIe 's Advantages
Released 6 years and 6 months late
Boost Clock1740MHz
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (695.8GB/s vs 320.0GB/s)
7936 additional rendering cores
Lower TDP (300W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
5733
A40 PCIe
+552%
37420
Graphics Card
Apr 2014
Release Date
Oct 2020
Volcanic Islands
Generation
Tesla
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1305 MHz
-
Boost Clock
1740 MHz
1250 MHz
Memory Clock
1812 MHz
Memory
4GB
Memory Size
48GB
GDDR5
Memory Type
GDDR6
512bit
Memory Bus
384bit
320.0GB/s
Bandwidth
695.8GB/s
Render Config
44
Compute Units
-
-
SM Count
84
2816
Shading Units
10752
176
TMUs
336
64
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
16 KB (per CU)
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
6 MB
Theoretical Performance
65.15 GPixel/s
Pixel Rate
194.9 GPixel/s
179.2 GTexel/s
Texture Rate
584.6 GTexel/s
-
FP16 (half)
37.42 TFLOPS
5.733 TFLOPS
FP32 (float)
37.42 TFLOPS
716.7 GFLOPS
FP64 (double)
584.6 GFLOPS
Board Design
500W
TDP
300W
900 W
Suggested PSU
700 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
8-pin EPS
Graphics Processor
Vesuvius
GPU Name
GA102
Vesuvius XT
(215-0852022)
GPU Variant
-
GCN 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
6.2 billion
Transistors
28.3 billion
438 mm²
Die Size
628 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
6.3
Shader Model
6.6