AMD Radeon R9 270X vs Intel Arc B580
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Dec 2024
Generation
Volcanic Islands
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
2670 MHz
Boost Clock
1050 MHz
2670 MHz
Memory Clock
1400 MHz
2375 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
179.2GB/s
456.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
2560
TMUs
80
160
ROPs
32
80
L1 Cache
16 KB (per CU)
256 KB (per EU)
L2 Cache
512 KB
18 MB
Tensor Cores
-
160
RT Cores
-
20
Theoretical Performance
Pixel Rate
33.60 GPixel/s
213.6 GPixel/s
Texture Rate
84.00 GTexel/s
427.2 GTexel/s
FP32 (float)
2.688 TFLOPS
13.67 TFLOPS
FP64 (double)
168.0 GFLOPS
1.709 TFLOPS
FP16 (half)
-
27.34 TFLOPS
Graphics Processor
GPU Name
Curacao
BMG-G21
GPU Variant
Curacao XT(215-0848004)
SRPMF
Architecture
GCN 1.0
Xe2
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
19.6 billion
Die Size
212 mm²
272 mm²
Board Design
TDP
180W
190W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.6
📊 Benchmark
3DMark Time Spy
1,769
-
Blender
-
1,935