Intel Arc A780 vs AMD Radeon HD 7970

VS

Intel Arc A780

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 3GB VRAM Radeon HD 7970 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 3GB)

Larger VRAM bandwidth (559.6GB/s vs 264.0GB/s)

2048 additional rendering cores

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

Arc A780 +375%

18.02 TFLOPS

Radeon HD 7970

3.789 TFLOPS

Arc A780

VS

Radeon HD 7970

Graphics Card

Unknown

Release Date

Dec 2011

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

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

3GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

384bit

559.6GB/s

Bandwidth

264.0GB/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

29.60 GPixel/s

563.2 GTexel/s

Texture Rate

118.4 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

3.789 TFLOPS

2.253 TFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 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 XT (215-0821060)

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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