AMD Radeon R9 390X vs Intel Arc B580
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Dec 2024
Generation
Pirate Islands
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1500 MHz
2375 MHz
Base Clock
-
2670 MHz
Boost Clock
-
2670 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
192bit
Bandwidth
384.0GB/s
456.0GB/s
Render Config
Compute Units
44
-
Shading Units
2816
2560
TMUs
176
160
ROPs
64
80
L1 Cache
16 KB (per CU)
256 KB (per EU)
L2 Cache
1024 KB
18 MB
Tensor Cores
-
160
RT Cores
-
20
Theoretical Performance
Pixel Rate
67.20 GPixel/s
213.6 GPixel/s
Texture Rate
184.8 GTexel/s
427.2 GTexel/s
FP32 (float)
5.914 TFLOPS
13.67 TFLOPS
FP64 (double)
739.2 GFLOPS
1.709 TFLOPS
FP16 (half)
-
27.34 TFLOPS
Graphics Processor
GPU Name
Grenada
BMG-G21
GPU Variant
Grenada XT(215-0880004)
SRPMF
Architecture
GCN 2.0
Xe2
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
6.2 billion
19.6 billion
Die Size
438 mm²
272 mm²
Board Design
TDP
275W
190W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.3
6.6
📊 Benchmark
Blender
-
1,935