ATI Radeon HD 3870 Mac Edition vs Intel Arc A770

VS

ATI Radeon HD 3870 Mac Edition

Intel Arc A770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 225W)

Intel Arc A770 's Advantages

Released 14 years and 4 months late

Boost Clock2400MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 72.06GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Arc A770 +3855%

19.66 TFLOPS

Radeon HD 3870 Mac Edition

VS

Arc A770

Graphics Card

Jun 2008

Release Date

Oct 2022

Radeon R600

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1126 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

-

256 KB

L2 Cache

16 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

307.2 GPixel/s

12.43 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

497.3 GFLOPS

FP32 (float)

19.66 TFLOPS

99.46 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

106W

TDP

225W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.13x DisplayPort 2.0

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

DG2-512

RV670 XT (215-0708005)

GPU Variant

ACM-G10

TeraScale

Architecture

Generation 12.7

TSMC

Foundry

TSMC

55 nm

Process Size

6 nm

0.666 billion

Transistors

21.7 billion

192 mm²

Die Size

406 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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