AMD Radeon RX 580 vs Intel Arc Pro B50
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
Sep 2025
Generation
Polaris
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x8
Clock Speeds
Base Clock
1257 MHz
1700 MHz
Boost Clock
1340 MHz
2600 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
224.0GB/s
Render Config
Compute Units
36
-
Shading Units
2304
2048
TMUs
144
128
ROPs
32
16
L1 Cache
16 KB (per CU)
-
L2 Cache
2 MB
4 MB
RT Cores
-
16
Theoretical Performance
Pixel Rate
42.88 GPixel/s
41.60 GPixel/s
Texture Rate
193.0 GTexel/s
332.8 GTexel/s
FP16 (half)
6.175 TFLOPS
21.30 TFLOPS
FP32 (float)
6.175 TFLOPS
10.65 TFLOPS
FP64 (double)
385.9 GFLOPS
2.662 TFLOPS
Graphics Processor
GPU Name
Polaris 20
BMG-G21
GPU Variant
Polaris 20 XTX(215-0910038)
-
Architecture
GCN 4.0
Xe2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
19.6 billion
Die Size
232 mm²
272 mm²
Board Design
TDP
185W
70W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
4x mini-DisplayPort 2.1
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.7
6.6