AMD Radeon R9 285X vs Intel Arc A770

VS

AMD Radeon R9 285X Intel Arc A770

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 225W)

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

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

Arc A770 +379%

19.66 TFLOPS

Radeon R9 285X

VS

Arc A770

Graphics Card

Unknown

Release Date

Oct 2022

Volcanic Islands

Generation

Alchemist

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 MB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

307.2 GPixel/s

128.3 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

4.104 TFLOPS

FP32 (float)

19.66 TFLOPS

-

FP64 (double)

-

Graphics Processor

Tonga

GPU Name

DG2-512

Tonga XT (215-0851313)

GPU Variant

ACM-G10

GCN 3.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

5 billion

Transistors

21.7 billion

366 mm²

Die Size

406 mm²

Board Design

200W

TDP

225W

550 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.6

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