AMD Radeon RX 550 vs AMD Radeon HD 8770 OEM

VS

AMD Radeon RX 550 AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Released 3 years and 7 months late

Boost Clock1183MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (112.0GB/s vs 96.00GB/s)

Lower TDP (50W vs 85W)

AMD Radeon HD 8770 OEM 's Advantages

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550

1.211 TFLOPS

Radeon HD 8770 OEM +55%

1.882 TFLOPS

Radeon RX 550

VS

Radeon HD 8770 OEM

Graphics Card

Apr 2017

Release Date

Sep 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

8

Compute Units

14

512

Shading Units

896

32

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

16.80 GPixel/s

37.86 GTexel/s

Texture Rate

58.80 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1.882 TFLOPS

75.71 GFLOPS

FP64 (double)

117.6 GFLOPS

Graphics Processor

Lexa

GPU Name

Bonaire

Lexa PRO (215-0904018)

GPU Variant

Bonaire XT (215-0839039)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Board Design

50W

TDP

85W

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 Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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