AMD Radeon R9 285 vs Intel Arc A770

VS

AMD Radeon R9 285

Intel Arc A770

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 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 285 's Advantages

Lower TDP (190W vs 225W)

Intel Arc A770 's Advantages

Released 8 years and 1 months late

Boost Clock2400MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Arc A770 +497%

19.66 TFLOPS

Radeon R9 285

VS

Arc A770

Graphics Card

Sep 2014

Release Date

Oct 2022

Volcanic Islands

Generation

Alchemist(Arc 7)

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

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

-

1792

Shading Units

4096

112

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

307.2 GPixel/s

102.8 GTexel/s

Texture Rate

614.4 GTexel/s

3.290 TFLOPS

FP16 (half)

39.32 TFLOPS

3.290 TFLOPS

FP32 (float)

19.66 TFLOPS

205.6 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

190W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tonga

GPU Name

DG2-512

Tonga PRO (215-0851128)

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

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.6

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