AMD Radeon RX 550 512SP vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon RX 550 512SP

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Released 5 years and 8 months late

Boost Clock1071MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

Lower TDP (50W vs 80W)

AMD Radeon HD 7770 GHz Edition 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon HD 7770 GHz Edition +16%

1.28 TFLOPS

Radeon RX 550 512SP

VS

Radeon HD 7770 GHz Edition

Graphics Card

Oct 2017

Release Date

Feb 2012

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

72.00GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

16.00 GPixel/s

34.27 GTexel/s

Texture Rate

40.00 GTexel/s

1097 GFLOPS

FP16 (half)

-

1097 GFLOPS

FP32 (float)

1280 GFLOPS

68.54 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

50W

TDP

80W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Baffin

GPU Name

Cape Verde

Baffin LE

GPU Variant

Cape Verde XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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