AMD Radeon HD 6670 vs AMD Radeon R7 260

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 2GB VRAM Radeon R7 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 95W)

AMD Radeon R7 260 's Advantages

Released 2 years and 8 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

Radeon R7 260 +100%

1.536 TFLOPS

Radeon HD 6670

VS

Radeon R7 260

Graphics Card

Apr 2011

Release Date

Dec 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

6

Compute Units

12

480

Shading Units

768

24

TMUs

48

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

16.00 GPixel/s

19.20 GTexel/s

Texture Rate

48.00 GTexel/s

-

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

96.00 GFLOPS

Graphics Processor

Turks

GPU Name

Bonaire

Turks XT (215-0803000)

GPU Variant

Bonaire PRO

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Board Design

66W

TDP

95W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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