AMD Radeon R9 290 vs AMD Radeon R9 280X2

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 and 3GB VRAM Radeon R9 280X2 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 288.0GB/s)

512 additional rendering cores

Lower TDP (275W vs 375W)

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

Score

Benchmark

FP32 (float)

Radeon R9 290 +18%

4.849 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon R9 290

VS

Radeon R9 280X2

Graphics Card

Nov 2013

Release Date

Unknown

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

320.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

40

Compute Units

32

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

Theoretical Performance

60.61 GPixel/s

Pixel Rate

32.00 GPixel/s

151.5 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

4.849 TFLOPS

FP32 (float)

4.096 TFLOPS

606.1 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Hawaii

GPU Name

Tahiti

Hawaii PRO (215-0852020)

GPU Variant

Tahiti XTL (215-0821065)

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

Board Design

275W

TDP

375W

600 W

Suggested PSU

750 W

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

Outputs

6x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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