AMD Radeon HD 8770 OEM vs AMD Radeon RX 560X

VS

AMD Radeon HD 8770 OEM

AMD Radeon RX 560X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 4GB VRAM Radeon RX 560X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Released 4 years and 7 months late

Boost Clock1275MHz

More VRAM (4GB vs 1024GB)

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

128 additional rendering cores

Lower TDP (75W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon RX 560X +38%

2.611 TFLOPS

Radeon HD 8770 OEM

VS

Radeon RX 560X

Graphics Card

Sep 2013

Release Date

Apr 2018

Sea Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1175 MHz

-

Boost Clock

1275 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

112.0GB/s

Render Config

14

Compute Units

16

-

896

Shading Units

1024

56

TMUs

64

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

20.40 GPixel/s

58.80 GTexel/s

Texture Rate

81.60 GTexel/s

-

FP16 (half)

2.611 TFLOPS

1.882 TFLOPS

FP32 (float)

2.611 TFLOPS

117.6 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

85W

TDP

75W

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 Processor

Bonaire

GPU Name

Polaris 21

Bonaire XT (215-0839039)

GPU Variant

Polaris 21 XT (215-0908004)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

3 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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