Intel Arc B770 vs AMD Radeon RX 580
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Apr 2017
Generation
Battlemage
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2100 MHz
1257 MHz
Boost Clock
2400 MHz
1340 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
256.0GB/s
Render Config
Shading Units
4096
2304
TMUs
256
144
ROPs
128
32
RT Cores
32
-
L2 Cache
16 MB
2 MB
Compute Units
-
36
L1 Cache
-
16 KB (per CU)
Theoretical Performance
Pixel Rate
307.2 GPixel/s
42.88 GPixel/s
Texture Rate
614.4 GTexel/s
193.0 GTexel/s
FP16 (half)
39.32 TFLOPS
6.175 TFLOPS
FP32 (float)
19.66 TFLOPS
6.175 TFLOPS
FP64 (double)
2.458 TFLOPS
385.9 GFLOPS
Graphics Processor
GPU Name
BMG-G31
Polaris 20
Architecture
Xe2-HPG
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
Unknown
5.7 billion
Die Size
Unknown
232 mm²
GPU Variant
-
Polaris 20 XTX(215-0910038)
Board Design
TDP
225W
185W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.3
Shader Model
6.6
6.7