Intel Arc A770 vs AMD Radeon R9 285X

VS

Intel Arc A770 AMD Radeon R9 285X

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 3GB VRAM Radeon R9 285X 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 3GB)

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

2048 additional rendering cores

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 225W)

Score

Benchmark

FP32 (float)

Arc A770 +379%

19.66 TFLOPS

Radeon R9 285X

4.104 TFLOPS

Arc A770

VS

Radeon R9 285X

Graphics Card

Oct 2022

Release Date

Unknown

Alchemist

Generation

Volcanic 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

1375 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

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

307.2 GPixel/s

Pixel Rate

32.06 GPixel/s

614.4 GTexel/s

Texture Rate

128.3 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

4.104 TFLOPS

-

FP64 (double)

-

Graphics Processor

DG2-512

GPU Name

Tonga

ACM-G10

GPU Variant

Tonga XT (215-0851313)

Generation 12.7

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

5 billion

406 mm²

Die Size

366 mm²

Board Design

225W

TDP

200W

550 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 2.0

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

6.3

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