AMD Radeon HD 6670 vs AMD Radeon RX 480

VS

AMD Radeon HD 6670

AMD Radeon RX 480

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 8GB VRAM Radeon RX 480 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 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

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

Radeon RX 480 +659%

5.834 TFLOPS

Radeon HD 6670

VS

Radeon RX 480

Graphics Card

Apr 2011

Release Date

Jun 2016

Northern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

256.0GB/s

Render Config

6

Compute Units

36

-

480

Shading Units

2304

24

TMUs

144

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

40.51 GPixel/s

19.20 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

768.0 GFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Board Design

66W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

Ellesmere

Turks XT (215-0803000)

GPU Variant

Polaris 10 XT (215-0876184)

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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