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

VS

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

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

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

128 additional rendering cores

AMD Radeon RX 550 512SP 's Advantages

Released 5 years and 8 months late

Boost Clock1071MHz

More VRAM (2GB vs 1GB)

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

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +16%

1.28 TFLOPS

Radeon RX 550 512SP

1.097 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon RX 550 512SP

Graphics Card

Feb 2012

Release Date

Oct 2017

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

10

Compute Units

8

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

17.14 GPixel/s

40.00 GTexel/s

Texture Rate

34.27 GTexel/s

-

FP16 (half)

1097 GFLOPS

1280 GFLOPS

FP32 (float)

1097 GFLOPS

80.00 GFLOPS

FP64 (double)

68.54 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Baffin

Cape Verde XT

GPU Variant

Baffin LE

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Board Design

80W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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