AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 460

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon RX 460

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 2GB VRAM Radeon RX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 's Advantages

Released 4 years and 6 months late

Boost Clock1200MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 72.00GB/s)

256 additional rendering cores

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon RX 460 +67%

2.15 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon RX 460

Graphics Card

Feb 2012

Release Date

Aug 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1200 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

112.0GB/s

Render Config

10

Compute Units

14

-

640

Shading Units

896

40

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

19.20 GPixel/s

40.00 GTexel/s

Texture Rate

67.20 GTexel/s

-

FP16 (half)

2.150 TFLOPS

1280 GFLOPS

FP32 (float)

2.150 TFLOPS

80.00 GFLOPS

FP64 (double)

134.4 GFLOPS

Board Design

80W

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

Cape Verde

GPU Name

Baffin

Cape Verde XT

GPU Variant

Baffin PRO

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

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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