AMD Radeon HD 6670 vs AMD Radeon 540

VS

AMD Radeon HD 6670

AMD Radeon 540

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 24.00GB/s)

96 additional rendering cores

AMD Radeon 540 's Advantages

Released 6 years late

Lower TDP (50W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

AMD Radeon 540 +18%

0.908 TFLOPS

Radeon HD 6670

VS

AMD Radeon 540

Graphics Card

Apr 2011

Release Date

Apr 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

32bit

64.00GB/s

Bandwidth

24.00GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

18.93 GPixel/s

19.20 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

768.0 GFLOPS

FP32 (float)

908.5 GFLOPS

-

FP64 (double)

56.78 GFLOPS

Board Design

66W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

Lexa

Turks XT (215-0803000)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

2.2 billion

118 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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