Intel Arc B580 vs AMD Radeon R9 255 OEM

VS

Intel Arc B580

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 and 2GB VRAM Radeon R9 255 OEM 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 late

Boost Clock has increased by 187% (2670MHz vs 930MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (456.0GB/s vs 73.60GB/s)

2048 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 190W)

Score

Benchmark

FP32 (float)

Arc B580 +1335%

13.67 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Arc B580

VS

Radeon R9 255 OEM

Graphics Card

Dec 2024

Release Date

Dec 2013

Battlemage(Arc 5)

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2670 MHz

Base Clock

900 MHz

2670 MHz

Boost Clock

930 MHz

2375 MHz

Memory Clock

1150 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

456.0GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

-

2560

Shading Units

512

160

TMUs

32

80

ROPs

16

160

Tensor Cores

-

20

RT Cores

-

256 KB (per EU)

L1 Cache

16 KB (per CU)

18 MB

L2 Cache

256 KB

-

Theoretical Performance

213.6 GPixel/s

Pixel Rate

14.88 GPixel/s

427.2 GTexel/s

Texture Rate

29.76 GTexel/s

27.34 TFLOPS

FP16 (half)

-

13.67 TFLOPS

FP32 (float)

952.3 GFLOPS

1.709 TFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

190W

TDP

65W

450 W

Suggested PSU

250 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

BMG-G21

GPU Name

Cape Verde

SRPMF

GPU Variant

Cape Verde PRX

Xe2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

19.6 billion

Transistors

1.5 billion

272 mm²

Die Size

123 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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