Intel Arc A770 vs AMD Radeon HD 6990

VS

Intel Arc A770

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 11 years and 7 months late

Boost Clock2400MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 160.0GB/s)

2560 additional rendering cores

Lower TDP (225W vs 375W)

Score

Benchmark

FP32 (float)

Arc A770 +670%

19.66 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Arc A770

VS

Radeon HD 6990

Graphics Card

Oct 2022

Release Date

Mar 2011

Alchemist(Arc 7)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

-

4096

Shading Units

1536

256

TMUs

96

128

ROPs

32

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

8 KB (per CU)

16 MB

L2 Cache

512 KB

-

Theoretical Performance

307.2 GPixel/s

Pixel Rate

26.56 GPixel/s

614.4 GTexel/s

Texture Rate

79.68 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

2.550 TFLOPS

2.458 TFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

225W

TDP

375W

550 W

Suggested PSU

750 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

DG2-512

GPU Name

Antilles

ACM-G10

GPU Variant

Antilles XT (215-0807027)

Generation 12.7

Architecture

TeraScale 3

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

21.7 billion

Transistors

2.64 billion

406 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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