AMD Radeon R9 260 OEM vs AMD Radeon R9 390X

VS

AMD Radeon R9 260 OEM

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 260 OEM 's Advantages

Lower TDP (85W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 1 years and 6 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 104.0GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM

1.971 TFLOPS

Radeon R9 390X +200%

5.914 TFLOPS

Radeon R9 260 OEM

VS

Radeon R9 390X

Graphics Card

Dec 2013

Release Date

Jun 2015

Volcanic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

104.0GB/s

Bandwidth

384.0GB/s

Render Config

14

Compute Units

44

-

896

Shading Units

2816

56

TMUs

176

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

67.20 GPixel/s

61.60 GTexel/s

Texture Rate

184.8 GTexel/s

-

1.971 TFLOPS

FP32 (float)

5.914 TFLOPS

123.2 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

85W

TDP

275W

250 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Bonaire

GPU Name

Grenada

Bonaire XT (215-0839039)

GPU Variant

Grenada XT (215-0880004)

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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