AMD Radeon HD 6770 Green Edition vs AMD Radeon RX 480

VS

AMD Radeon HD 6770 Green Edition AMD Radeon RX 480

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6770 Green 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 6770 Green Edition 's Advantages

Lower TDP (86W vs 150W)

AMD Radeon RX 480 's Advantages

Released 3 years and 2 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 21.34GB/s)

1584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 480 +478%

5.834 TFLOPS

Radeon HD 6770 Green Edition

VS

Radeon RX 480

Graphics Card

Apr 2013

Release Date

Jun 2016

Northern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

667 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

21.34GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

9

Compute Units

36

720

Shading Units

2304

36

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

40.51 GPixel/s

25.20 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1008 GFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Graphics Processor

Juniper

GPU Name

Ellesmere

Juniper LE (215-0754009)

GPU Variant

Polaris 10 XT (215-0876184)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

5.7 billion

166 mm²

Die Size

232 mm²

Board Design

86W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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