ATI Radeon HD 3870 Mac Edition vs Intel Arc Pro A40

VS

ATI Radeon HD 3870 Mac Edition

Intel Arc Pro A40

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 6GB VRAM Arc Pro A40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc Pro A40 's Advantages

Released 14 years and 2 months late

Boost Clock1700MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 72.06GB/s)

704 additional rendering cores

Lower TDP (50W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Arc Pro A40 +600%

3.482 TFLOPS

Radeon HD 3870 Mac Edition

VS

Arc Pro A40

Graphics Card

Jun 2008

Release Date

Aug 2022

Radeon R600

Generation

Alchemist

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

1700 MHz

1126 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

6GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

96bit

72.06GB/s

Bandwidth

192.0GB/s

Render Config

4

Compute Units

-

320

Shading Units

1024

16

TMUs

64

16

ROPs

32

-

RT Cores

8

-

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

54.40 GPixel/s

12.43 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

6.963 TFLOPS

497.3 GFLOPS

FP32 (float)

3.482 TFLOPS

99.46 GFLOPS

FP64 (double)

870.4 GFLOPS

Board Design

106W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

4x mini-DisplayPort 2.0

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

DG2-128

RV670 XT (215-0708005)

GPU Variant

ACM-G11

TeraScale

Architecture

Generation 12.7

TSMC

Foundry

TSMC

55 nm

Process Size

6 nm

0.666 billion

Transistors

7.2 billion

192 mm²

Die Size

157 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

4.1

Shader Model

6.6

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