AMD Radeon HD 8870 OEM vs Intel Arc B580

VS

AMD Radeon HD 8870 OEM

Intel Arc B580

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 12GB VRAM Arc B580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 190W)

Intel Arc B580 's Advantages

Released 11 years and 11 months late

Boost Clock2670MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (456.0GB/s vs 153.6GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Arc B580 +433%

13.67 TFLOPS

Radeon HD 8870 OEM

VS

Arc B580

Graphics Card

Jan 2013

Release Date

Dec 2024

Sea Islands

Generation

Battlemage(Arc 5)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2670 MHz

-

Boost Clock

2670 MHz

1200 MHz

Memory Clock

2375 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

456.0GB/s

Render Config

20

Compute Units

-

1280

Shading Units

2560

80

TMUs

160

32

ROPs

80

-

Tensor Cores

160

-

RT Cores

20

16 KB (per CU)

L1 Cache

256 KB (per EU)

512 KB

L2 Cache

18 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

213.6 GPixel/s

80.00 GTexel/s

Texture Rate

427.2 GTexel/s

-

FP16 (half)

27.34 TFLOPS

2.560 TFLOPS

FP32 (float)

13.67 TFLOPS

160.0 GFLOPS

FP64 (double)

1.709 TFLOPS

Board Design

175W

TDP

190W

450 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

BMG-G21

Pitcairn XT (215-0828047)

GPU Variant

SRPMF

GCN 1.0

Architecture

Xe2

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

19.6 billion

212 mm²

Die Size

272 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.4

-

5.1

Shader Model

6.6

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