AMD Radeon R9 285 vs Intel Arc A780

VS

AMD Radeon R9 285 Intel Arc A780

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 16GB VRAM Arc A780 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 200W)

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (559.6GB/s vs 176.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Arc A780 +447%

18.02 TFLOPS

Radeon R9 285

VS

Arc A780

Graphics Card

Sep 2014

Release Date

Unknown

Volcanic Islands

Generation

Alchemist

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

2200 MHz

1375 MHz

Memory Clock

1093 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

559.6GB/s

Render Config

-

SM Count

-

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

281.6 GPixel/s

102.8 GTexel/s

Texture Rate

563.2 GTexel/s

3.290 TFLOPS

FP16 (half)

36.04 TFLOPS

3.290 TFLOPS

FP32 (float)

18.02 TFLOPS

205.6 GFLOPS

FP64 (double)

-

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

Board Design

190W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

2x 6-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

6.5

Shader Model

6.6

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