AMD Radeon R9 M485X vs NVIDIA A40 PCIe
GPU Specs Compare
Graphics Card
Release Date
May 2016
Oct 2020
Generation
Crystal System
Tesla
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1812 MHz
Base Clock
-
1305 MHz
Boost Clock
-
1740 MHz
Memory
Memory Size
8GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
384bit
Bandwidth
160.0GB/s
695.8GB/s
Render Config
Compute Units
32
-
Shading Units
2048
10752
TMUs
128
336
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
6 MB
SM Count
-
84
Tensor Cores
-
336
RT Cores
-
84
Theoretical Performance
Pixel Rate
23.14 GPixel/s
194.9 GPixel/s
Texture Rate
92.54 GTexel/s
584.6 GTexel/s
FP16 (half)
2.961 TFLOPS
37.42 TFLOPS
FP32 (float)
2.961 TFLOPS
37.42 TFLOPS
FP64 (double)
185.1 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
Amethyst
GA102
GPU Variant
Amethyst XT
-
Architecture
GCN 3.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
5 billion
28.3 billion
Die Size
366 mm²
628 mm²
Board Design
TDP
250W
300W
Outputs
No outputs
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
Suggested PSU
-
700 W
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