AMD Radeon R9 290 vs AMD Radeon R9 280

VS

AMD Radeon R9 290

AMD Radeon R9 280

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290 's Advantages

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (320.0GB/s vs 240.0GB/s)

768 additional rendering cores

AMD Radeon R9 280 's Advantages

Boost Clock933MHz

Lower TDP (200W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 290 +45%

4.849 TFLOPS

Radeon R9 280

3.344 TFLOPS

3DMark Time Spy

Radeon R9 290 +83%

3684

Radeon R9 280

2009

Radeon R9 290

VS

Radeon R9 280

Graphics Card

Nov 2013

Release Date

Mar 2014

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

827 MHz

-

Boost Clock

933 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

320.0GB/s

Bandwidth

240.0GB/s

Render Config

40

Compute Units

28

-

2560

Shading Units

1792

160

TMUs

112

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

60.61 GPixel/s

Pixel Rate

29.86 GPixel/s

151.5 GTexel/s

Texture Rate

104.5 GTexel/s

-

4.849 TFLOPS

FP32 (float)

3.344 TFLOPS

606.1 GFLOPS

FP64 (double)

836.0 GFLOPS

Board Design

275W

TDP

200W

600 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Hawaii

GPU Name

Tahiti

Hawaii PRO (215-0852020)

GPU Variant

Tahiti PRO3 (215-0821330)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

4.313 billion

438 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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