AMD Radeon RX 480 vs AMD Radeon HD 6670

VS

AMD Radeon RX 480

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 480 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 RX 480 's Advantages

Released 5 years and 2 months late

Boost Clock1266MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

1824 additional rendering cores

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 480 +659%

5.834 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon RX 480

VS

Radeon HD 6670

Graphics Card

Jun 2016

Release Date

Apr 2011

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

480

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

6.400 GPixel/s

182.3 GTexel/s

Texture Rate

19.20 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

768.0 GFLOPS

364.6 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

66W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Turks

Polaris 10 XT (215-0876184)

GPU Variant

Turks XT (215-0803000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.716 billion

232 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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