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GPU Comparison
NVIDIA A40 PCIe vs AMD Radeon R9 285
NVIDIA A40 PCIe vs AMD Radeon R9 285
VS
NVIDIA A40 PCIe
AMD Radeon R9 285
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A40 PCIe 's Advantages
Released 6 years and 1 months late
Boost Clock1740MHz
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (695.8GB/s vs 176.0GB/s)
8960 additional rendering cores
AMD Radeon R9 285 's Advantages
Lower TDP (190W vs 300W)
Score
Benchmark
FP32 (float)
A40 PCIe
+1037%
37.42 TFLOPS
Radeon R9 285
3.29 TFLOPS
A40 PCIe
VS
Radeon R9 285
Graphics Card
Oct 2020
Release Date
Sep 2014
Tesla
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1305 MHz
Base Clock
-
1740 MHz
Boost Clock
-
1812 MHz
Memory Clock
1375 MHz
Memory
48GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
695.8GB/s
Bandwidth
176.0GB/s
Render Config
84
SM Count
-
-
Compute Units
28
10752
Shading Units
1792
336
TMUs
112
112
ROPs
32
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
512 KB
Theoretical Performance
194.9 GPixel/s
Pixel Rate
29.38 GPixel/s
584.6 GTexel/s
Texture Rate
102.8 GTexel/s
37.42 TFLOPS
FP16 (half)
3.290 TFLOPS
37.42 TFLOPS
FP32 (float)
3.290 TFLOPS
584.6 GFLOPS
FP64 (double)
205.6 GFLOPS
Graphics Processor
GA102
GPU Name
Tonga
-
GPU Variant
Tonga PRO (215-0851128)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
5 billion
628 mm²
Die Size
366 mm²
Board Design
300W
TDP
190W
700 W
Suggested PSU
450 W
3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
8-pin EPS
Power Connectors
2x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
8.6
CUDA
-
6.6
Shader Model
6.5
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8
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9
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10
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