Intel Arc A770 vs AMD Radeon HD 7770 GHz Edition

VS

Intel Arc A770

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 10 years and 8 months late

Boost Clock2400MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)

3456 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 225W)

Score

Benchmark

FP32 (float)

Arc A770 +1435%

19.66 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Arc A770

VS

Radeon HD 7770 GHz Edition

Graphics Card

Oct 2022

Release Date

Feb 2012

Alchemist(Arc 7)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1125 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

4096

Shading Units

640

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

307.2 GPixel/s

Pixel Rate

16.00 GPixel/s

614.4 GTexel/s

Texture Rate

40.00 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

1280 GFLOPS

2.458 TFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

225W

TDP

80W

550 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

DG2-512

GPU Name

Cape Verde

ACM-G10

GPU Variant

Cape Verde XT

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

1.5 billion

406 mm²

Die Size

123 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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