Intel Arc A780 vs AMD Radeon HD 7970 GHz Edition

VS

Intel Arc A780

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

Boost Clock has increased by 110% (2200MHz vs 1050MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (559.6GB/s vs 288.0GB/s)

2048 additional rendering cores

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Arc A780 +318%

18.02 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

Arc A780

VS

Radeon HD 7970 GHz Edition

Graphics Card

Unknown

Release Date

Jun 2012

Alchemist(Arc 7)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

1000 MHz

2200 MHz

Boost Clock

1050 MHz

1093 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

3GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

384bit

559.6GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

ROPs

32

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

768 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

33.60 GPixel/s

563.2 GTexel/s

Texture Rate

134.4 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

4.301 TFLOPS

2.253 TFLOPS

FP64 (double)

1075 GFLOPS

Board Design

200W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

DG2-512

GPU Name

Tahiti

ACM-G10

GPU Variant

Tahiti XT2 (215-0821065)

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

4.313 billion

406 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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