AMD Radeon RX 580G vs NVIDIA Quadro P620 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2018
Feb 2018
Generation
Polaris
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
1177 MHz
Boost Clock
1330 MHz
1443 MHz
Memory Clock
2000 MHz
1502 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
96.13GB/s
Render Config
Compute Units
36
—
Shading Units
2304
512
TMUs
144
32
ROPs
32
16
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
2 MB
1024 KB
SM Count
—
4
Theoretical Performance
Pixel Rate
42.56 GPixel/s
23.09 GPixel/s
Texture Rate
191.5 GTexel/s
46.18 GTexel/s
FP16 (half)
6.129 TFLOPS
23.09 GFLOPS
FP32 (float)
6.129 TFLOPS
1478 GFLOPS
FP64 (double)
383.0 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
Polaris 20
GP107
GPU Variant
Polaris 20 XTX(215-0910038)
—
Architecture
GCN 4.0
Pascal
Foundry
GlobalFoundries
Samsung
Process Size
14 nm
14 nm
Transistors
5.7 billion
3.3 billion
Die Size
232 mm²
132 mm²
Board Design
TDP
185W
40W
Suggested PSU
450 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.