AMD Radeon HD 6670 vs AMD Radeon RX 570

VS

AMD Radeon HD 6670

AMD Radeon RX 570

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 4GB VRAM Radeon RX 570 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 150W)

AMD Radeon RX 570 's Advantages

Released 6 years late

Boost Clock1244MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

Radeon RX 570 +563%

5.095 TFLOPS

Radeon HD 6670

VS

Radeon RX 570

Graphics Card

Apr 2011

Release Date

Apr 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1168 MHz

-

Boost Clock

1244 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

32

-

480

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

39.81 GPixel/s

19.20 GTexel/s

Texture Rate

159.2 GTexel/s

-

FP16 (half)

5.095 TFLOPS

768.0 GFLOPS

FP32 (float)

5.095 TFLOPS

-

FP64 (double)

318.5 GFLOPS

Board Design

66W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

Polaris 20

Turks XT (215-0803000)

GPU Variant

Polaris 20 XL (215-0910052)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

5.7 billion

118 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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