AMD Radeon RX 560X vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon RX 560X

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560X and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Released 5 years late

Boost Clock1275MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (112.0GB/s vs 21.34GB/s)

304 additional rendering cores

Lower TDP (75W vs 86W)

Score

Benchmark

FP32 (float)

Radeon RX 560X +159%

2.611 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 560X

VS

Radeon HD 6770 Green Edition

Graphics Card

Apr 2018

Release Date

Apr 2013

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1175 MHz

Base Clock

-

1275 MHz

Boost Clock

-

1750 MHz

Memory Clock

667 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

21.34GB/s

Render Config

16

Compute Units

9

-

1024

Shading Units

720

64

TMUs

36

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

20.40 GPixel/s

Pixel Rate

11.20 GPixel/s

81.60 GTexel/s

Texture Rate

25.20 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

1008 GFLOPS

163.2 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

86W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Juniper

Polaris 21 XT (215-0908004)

GPU Variant

Juniper LE (215-0754009)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.04 billion

123 mm²

Die Size

166 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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