AMD Radeon HD 6770 Green Edition vs AMD Radeon Sky 700

VS

AMD Radeon HD 6770 Green Edition AMD Radeon Sky 700

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6770 Green Edition and 6GB VRAM Radeon Sky 700 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 225W)

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 21.34GB/s)

1072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon Sky 700 +220%

3.226 TFLOPS

Radeon HD 6770 Green Edition

VS

Radeon Sky 700

Graphics Card

Apr 2013

Release Date

Mar 2013

Northern Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

667 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

6GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

21.34GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

9

Compute Units

28

720

Shading Units

1792

36

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

28.80 GPixel/s

25.20 GTexel/s

Texture Rate

100.8 GTexel/s

-

FP16 (half)

-

1008 GFLOPS

FP32 (float)

3.226 TFLOPS

-

FP64 (double)

806.4 GFLOPS

Graphics Processor

Juniper

GPU Name

Tahiti

Juniper LE (215-0754009)

GPU Variant

Tahiti PRO GL

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

4.313 billion

166 mm²

Die Size

352 mm²

Board Design

86W

TDP

225W

250 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

-

Power Connectors

1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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