AMD Radeon HD 8860 OEM vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon HD 8860 OEM

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8860 OEM 's Advantages

Larger VRAM bandwidth (179.2GB/s vs 21.34GB/s)

560 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8860 OEM +134%

2.368 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon HD 8860 OEM

VS

Radeon HD 6770 Green Edition

Graphics Card

Jan 2013

Release Date

Apr 2013

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1400 MHz

Memory Clock

667 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

21.34GB/s

Render Config

20

Compute Units

9

-

1280

Shading Units

720

80

TMUs

36

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

11.20 GPixel/s

74.00 GTexel/s

Texture Rate

25.20 GTexel/s

-

2.368 TFLOPS

FP32 (float)

1008 GFLOPS

148.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

86W

450 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

-

Graphics Processor

Curacao

GPU Name

Juniper

Curacao PRO (215-0848000)

GPU Variant

Juniper LE (215-0754009)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.04 billion

212 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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