Home GPU Comparison Intel Arc B580 vs AMD Radeon R9 270X

Intel Arc B580 vs AMD Radeon R9 270X

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc B580 's Advantages
Released 11 years and 2 months late
Boost Clock has increased by 154% (2670MHz vs 1050MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (456.0GB/s vs 179.2GB/s)
1280 additional rendering cores
AMD Radeon R9 270X 's Advantages
Lower TDP (180W vs 190W)

Score

Benchmark

FP32 (float)
Arc B580 +408%
13.67 TFLOPS
Radeon R9 270X
2.688 TFLOPS
3DMark Time Spy
Arc B580 +731%
14701
Radeon R9 270X
1769

Graphics Card

Dec 2024
Release Date
Oct 2013
Battlemage
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

2670 MHz
Base Clock
1000 MHz
2670 MHz
Boost Clock
1050 MHz
2375 MHz
Memory Clock
1400 MHz

Memory

12GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
256bit
456.0GB/s
Bandwidth
179.2GB/s

Render Config

-
Compute Units
20
-
-
-
2560
Shading Units
1280
160
TMUs
80
80
ROPs
32
160
Tensor Cores
-
20
RT Cores
-
256 KB (per EU)
L1 Cache
16 KB (per CU)
18 MB
L2 Cache
512 KB
-
-
-

Theoretical Performance

213.6 GPixel/s
Pixel Rate
33.60 GPixel/s
427.2 GTexel/s
Texture Rate
84.00 GTexel/s
27.34 TFLOPS
FP16 (half)
-
13.67 TFLOPS
FP32 (float)
2.688 TFLOPS
1.709 TFLOPS
FP64 (double)
168.0 GFLOPS

Board Design

190W
TDP
180W
450 W
Suggested PSU
450 W
1x HDMI 2.1a 3x DisplayPort 2.1
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

BMG-G21
GPU Name
Curacao
SRPMF
GPU Variant
Curacao XT (215-0848004)
Xe2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
19.6 billion
Transistors
2.8 billion
272 mm²
Die Size
212 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.4
Vulkan
1.2
-
-
-
6.6
Shader Model
5.1
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