ATI Radeon HD 4870 X2 vs Intel Arc A770

VS

ATI Radeon HD 4870 X2

Intel Arc A770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 14 years and 2 months late

Boost Clock2400MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)

3296 additional rendering cores

Lower TDP (225W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Arc A770 +1538%

19.66 TFLOPS

Radeon HD 4870 X2

VS

Arc A770

Graphics Card

Aug 2008

Release Date

Oct 2022

Radeon R700

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

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

512.0GB/s

Render Config

10

Compute Units

-

800

Shading Units

4096

40

TMUs

256

16

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

307.2 GPixel/s

30.00 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

1200 GFLOPS

FP32 (float)

19.66 TFLOPS

240.0 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

286W

TDP

225W

600 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.13x DisplayPort 2.0

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R700

GPU Name

DG2-512

R700 XT (215-0669045)

GPU Variant

ACM-G10

TeraScale

Architecture

Generation 12.7

TSMC

Foundry

TSMC

55 nm

Process Size

6 nm

0.956 billion

Transistors

21.7 billion

256 mm²

Die Size

406 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

4.1

Shader Model

6.6

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