AMD Radeon RX 640 Mobile vs NVIDIA RTX A5000-12Q
GPU Specs Compare
Graphics Card
Release Date
May 2019
Apr 2021
Generation
Mobility Radeon
Quadro Ampere
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1082 MHz
1170 MHz
Boost Clock
1218 MHz
1695 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
384bit
Bandwidth
48.00GB/s
768.0GB/s
Render Config
Compute Units
10
-
Shading Units
640
8192
TMUs
40
256
ROPs
16
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
6 MB
SM Count
-
64
Tensor Cores
-
256
RT Cores
-
64
Theoretical Performance
Pixel Rate
19.49 GPixel/s
162.7 GPixel/s
Texture Rate
48.72 GTexel/s
433.9 GTexel/s
FP16 (half)
1.559 TFLOPS
27.77 TFLOPS
FP32 (float)
1.559 TFLOPS
27.77 TFLOPS
FP64 (double)
97.44 GFLOPS
433.9 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GA102
GPU Variant
Polaris 23 XT
-
Architecture
GCN 4.0
Ampere
Foundry
GlobalFoundries
Samsung
Process Size
14 nm
8 nm
Transistors
2.2 billion
28.3 billion
Die Size
103 mm²
628 mm²
Board Design
TDP
50W
230W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.7
CUDA
-
8.6