AMD Radeon R7 250 vs AMD Radeon HD 6670

VS

AMD Radeon R7 250

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250 and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250 's Advantages

Released 2 years and 6 months late

32 additional rendering cores

Lower TDP (55W vs 66W)

AMD Radeon HD 6670 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 250

0.717 TFLOPS

Radeon HD 6670 +7%

0.768 TFLOPS

Radeon R7 250

VS

Radeon HD 6670

Graphics Card

Oct 2013

Release Date

Apr 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

6.400 GPixel/s

22.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

716.8 GFLOPS

FP32 (float)

768.0 GFLOPS

44.80 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

66W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Turks

Cape Verde PRO

GPU Variant

Turks XT (215-0803000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.716 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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