AMD Radeon R7 260 vs AMD Radeon R9 390 X2

VS

AMD Radeon R7 260

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260 's Advantages

Lower TDP (95W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 1 years and 9 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 96.00GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 260

1.536 TFLOPS

Radeon R9 390 X2 +233%

5.12 TFLOPS

Radeon R7 260

VS

Radeon R9 390 X2

Graphics Card

Dec 2013

Release Date

Sep 2015

Volcanic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

96.00GB/s

Bandwidth

345.6GB/s

Render Config

12

Compute Units

40

-

768

Shading Units

2560

48

TMUs

160

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

64.00 GPixel/s

48.00 GTexel/s

Texture Rate

160.0 GTexel/s

-

1.536 TFLOPS

FP32 (float)

5.120 TFLOPS

96.00 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

95W

TDP

580W

250 W

Suggested PSU

950 W

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

Outputs

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

1x 6-pin

Power Connectors

4x 8-pin

Graphics Processor

Bonaire

GPU Name

Grenada

Bonaire PRO

GPU Variant

Grenada PRO (215-0880030)

GCN 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

6.2 billion

160 mm²

Die Size

438 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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