Intel Arc B580 vs AMD Radeon HD 6850 X2

VS

Intel Arc B580

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc B580 's Advantages

Released 13 years and 3 months late

Boost Clock2670MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (456.0GB/s vs 134.4GB/s)

1600 additional rendering cores

Lower TDP (190W vs 254W)

Score

Benchmark

FP32 (float)

Arc B580 +789%

13.67 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Arc B580

VS

Radeon HD 6850 X2

Graphics Card

Dec 2024

Release Date

Sep 2011

Battlemage(Arc 5)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2670 MHz

Base Clock

-

2670 MHz

Boost Clock

-

2375 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

456.0GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

-

2560

Shading Units

960

160

TMUs

48

80

ROPs

32

160

Tensor Cores

-

20

RT Cores

-

256 KB (per EU)

L1 Cache

8 KB (per CU)

18 MB

L2 Cache

512 KB

-

Theoretical Performance

213.6 GPixel/s

Pixel Rate

25.60 GPixel/s

427.2 GTexel/s

Texture Rate

38.40 GTexel/s

27.34 TFLOPS

FP16 (half)

-

13.67 TFLOPS

FP32 (float)

1.536 TFLOPS

1.709 TFLOPS

FP64 (double)

-

Board Design

190W

TDP

254W

450 W

Suggested PSU

600 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

BMG-G21

GPU Name

Barts

SRPMF

GPU Variant

Barts PRO (215-0798006)

Xe2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

19.6 billion

Transistors

1.7 billion

272 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.4

Vulkan

N/A

-

6.6

Shader Model

5.0

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