ATI Radeon HD 2900 XTX vs Intel Arc A770

VS

ATI Radeon HD 2900 XTX

Intel Arc A770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Boost Clock2400MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 106.0GB/s)

3776 additional rendering cores

Lower TDP (225W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Arc A770 +4030%

19.66 TFLOPS

Radeon HD 2900 XTX

VS

Arc A770

Graphics Card

Unknown

Release Date

Oct 2022

Radeon R600

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

828 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

-

256 KB

L2 Cache

16 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

307.2 GPixel/s

11.89 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

475.5 GFLOPS

FP32 (float)

19.66 TFLOPS

-

FP64 (double)

2.458 TFLOPS

Board Design

240W

TDP

225W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

DG2-512

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

ACM-G10

TeraScale

Architecture

Generation 12.7

TSMC

Foundry

TSMC

80 nm

Process Size

6 nm

0.72 billion

Transistors

21.7 billion

420 mm²

Die Size

406 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

4.0

Shader Model

6.6

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