AMD Radeon R9 285 vs AMD Radeon R9 290

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 4GB VRAM Radeon R9 290 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 10 months late

Lower TDP (190W vs 275W)

AMD Radeon R9 290 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 176.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon R9 290 +47%

4.849 TFLOPS

Radeon R9 285

VS

Radeon R9 290

Graphics Card

Sep 2014

Release Date

Nov 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

176.0GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

28

Compute Units

40

1792

Shading Units

2560

112

TMUs

160

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

60.61 GPixel/s

102.8 GTexel/s

Texture Rate

151.5 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

4.849 TFLOPS

205.6 GFLOPS

FP64 (double)

606.1 GFLOPS

Graphics Processor

Tonga

GPU Name

Hawaii

Tonga PRO (215-0851128)

GPU Variant

Hawaii PRO (215-0852020)

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

6.2 billion

366 mm²

Die Size

438 mm²

Board Design

190W

TDP

275W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.3

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