Intel Arc A750 vs AMD Radeon HD 7870 GHz Edition

VS

Intel Arc A750

AMD Radeon HD 7870 GHz Edition

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

Main Differences

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

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 225W)

Score

Benchmark

FP32 (float)

Arc A750 +571%

17.2 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Arc A750

VS

Radeon HD 7870 GHz Edition

Graphics Card

Oct 2022

Release Date

Mar 2012

Alchemist(Arc 7)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2050 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

3584

Shading Units

1280

224

TMUs

80

112

ROPs

32

448

Tensor Cores

-

28

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

512 KB

-

Theoretical Performance

268.8 GPixel/s

Pixel Rate

32.00 GPixel/s

537.6 GTexel/s

Texture Rate

80.00 GTexel/s

34.41 TFLOPS

FP16 (half)

-

17.20 TFLOPS

FP32 (float)

2.560 TFLOPS

2.150 TFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

225W

TDP

175W

550 W

Suggested PSU

450 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

DG2-512

GPU Name

Pitcairn

ACM-G10

GPU Variant

Pitcairn XT (215-0828047)

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

2.8 billion

406 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

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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