Intel Arc A780 vs ATI Radeon HD 4870 X2

VS

Intel Arc A780

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (559.6GB/s vs 115.2GB/s)

3296 additional rendering cores

Lower TDP (200W vs 286W)

Score

Benchmark

FP32 (float)

Arc A780 +1401%

18.02 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Arc A780

VS

Radeon HD 4870 X2

Graphics Card

Unknown

Release Date

Aug 2008

Alchemist(Arc 7)

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2200 MHz

Base Clock

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

559.6GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

-

4096

Shading Units

800

256

TMUs

40

128

ROPs

16

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

256 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

12.00 GPixel/s

563.2 GTexel/s

Texture Rate

30.00 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

1200 GFLOPS

2.253 TFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

200W

TDP

286W

550 W

Suggested PSU

600 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

DG2-512

GPU Name

R700

ACM-G10

GPU Variant

R700 XT (215-0669045)

Generation 12.7

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

21.7 billion

Transistors

0.956 billion

406 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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