Intel Arc A750 vs ATI Radeon HD 3870 X2

VS

Intel Arc A750

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 8GB VRAM Arc A750 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A750 's Advantages

Released 14 years and 9 months late

Boost Clock2400MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 57.66GB/s)

3264 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 225W)

Score

Benchmark

FP32 (float)

Arc A750 +3157%

17.2 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Arc A750

VS

Radeon HD 3870 X2

Graphics Card

Oct 2022

Release Date

Jan 2008

Alchemist(Arc 7)

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2050 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

-

3584

Shading Units

320

224

TMUs

16

112

ROPs

16

448

Tensor Cores

-

28

RT Cores

-

16 MB

L2 Cache

256 KB

-

Theoretical Performance

268.8 GPixel/s

Pixel Rate

13.20 GPixel/s

537.6 GTexel/s

Texture Rate

13.20 GTexel/s

34.41 TFLOPS

FP16 (half)

-

17.20 TFLOPS

FP32 (float)

528.0 GFLOPS

2.150 TFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

225W

TDP

165W

550 W

Suggested PSU

450 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

DG2-512

GPU Name

R680

ACM-G10

GPU Variant

R680 XT (215-0708017)

Generation 12.7

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

21.7 billion

Transistors

0.666 billion

406 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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