AMD Radeon RX 640 Mobile vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
May 2019
Feb 2018
Generation
Mobility Radeon
Quadro Mobile
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1082 MHz
1177 MHz
Boost Clock
1218 MHz
1443 MHz
Memory Clock
1500 MHz
1502 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
128bit
Bandwidth
48.00GB/s
96.13GB/s
Render Config
Compute Units
10
-
Shading Units
640
512
TMUs
40
32
ROPs
16
16
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1024 KB
SM Count
-
4
Theoretical Performance
Pixel Rate
19.49 GPixel/s
23.09 GPixel/s
Texture Rate
48.72 GTexel/s
46.18 GTexel/s
FP16 (half)
1.559 TFLOPS
23.09 GFLOPS
FP32 (float)
1.559 TFLOPS
1478 GFLOPS
FP64 (double)
97.44 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GP107
GPU Variant
Polaris 23 XT
-
Architecture
GCN 4.0
Pascal
Foundry
GlobalFoundries
Samsung
Process Size
14 nm
14 nm
Transistors
2.2 billion
3.3 billion
Die Size
103 mm²
132 mm²
Board Design
TDP
50W
40W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.4
CUDA
-
6.1