AMD Radeon 550X vs AMD Radeon HD 6770

VS

AMD Radeon 550X

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 8 years and 2 months late

Boost Clock1218MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 76.80GB/s)

Lower TDP (50W vs 108W)

AMD Radeon HD 6770 's Advantages

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon HD 6770 +9%

1.36 TFLOPS

Radeon 550X

VS

Radeon HD 6770

Graphics Card

Mar 2019

Release Date

Jan 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

76.80GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

13.60 GPixel/s

38.98 GTexel/s

Texture Rate

34.00 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

1360 GFLOPS

77.95 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

108W

250 W

Suggested PSU

300 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

1x 6-pin

Graphics Processor

Lexa

GPU Name

Juniper

Lexa PRO (215-0904018)

GPU Variant

Juniper XT (215-0754013)

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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