AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 480

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon RX 480

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 8GB VRAM Radeon RX 480 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

Lower TDP (80W vs 150W)

AMD Radeon RX 480 's Advantages

Released 4 years and 4 months late

Boost Clock1266MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon RX 480 +355%

5.834 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon RX 480

Graphics Card

Feb 2012

Release Date

Jun 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1125 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

256.0GB/s

Render Config

10

Compute Units

36

-

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

40.51 GPixel/s

40.00 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1280 GFLOPS

FP32 (float)

5.834 TFLOPS

80.00 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Ellesmere

Cape Verde XT

GPU Variant

Polaris 10 XT (215-0876184)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5.7 billion

123 mm²

Die Size

232 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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