AMD Radeon RX 550 vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon RX 550

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 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 550 's Advantages

Released 4 years late

Boost Clock1183MHz

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

Lower TDP (50W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

208 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 +20%

1.211 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 550

VS

Radeon HD 6770 Green Edition

Graphics Card

Apr 2017

Release Date

Apr 2013

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

667 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

21.34GB/s

Render Config

8

Compute Units

9

-

512

Shading Units

720

32

TMUs

36

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

11.20 GPixel/s

37.86 GTexel/s

Texture Rate

25.20 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1008 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

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

Lexa

GPU Name

Juniper

Lexa PRO (215-0904018)

GPU Variant

Juniper LE (215-0754009)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.04 billion

103 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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