AMD Radeon HD 7870 GHz Edition vs Intel Arc A750

VS

AMD Radeon HD 7870 GHz Edition

Intel Arc A750

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 8GB VRAM Arc A750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 225W)

Intel Arc A750 's Advantages

Released 10 years and 7 months late

Boost Clock2400MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Arc A750 +571%

17.2 TFLOPS

Radeon HD 7870 GHz Edition

VS

Arc A750

Graphics Card

Mar 2012

Release Date

Oct 2022

Southern Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2050 MHz

-

Boost Clock

2400 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

512.0GB/s

Render Config

20

Compute Units

-

1280

Shading Units

3584

80

TMUs

224

32

ROPs

112

-

Tensor Cores

448

-

RT Cores

28

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

268.8 GPixel/s

80.00 GTexel/s

Texture Rate

537.6 GTexel/s

-

FP16 (half)

34.41 TFLOPS

2.560 TFLOPS

FP32 (float)

17.20 TFLOPS

160.0 GFLOPS

FP64 (double)

2.150 TFLOPS

Board Design

175W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

DG2-512

Pitcairn XT (215-0828047)

GPU Variant

ACM-G10

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

21.7 billion

212 mm²

Die Size

406 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.6

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