AMD Radeon R9 290 vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon R9 290

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 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 R9 290 's Advantages

Released 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 21.34GB/s)

1840 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 290 +381%

4.849 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon R9 290

VS

Radeon HD 6770 Green Edition

Graphics Card

Nov 2013

Release Date

Apr 2013

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

667 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

128bit

320.0GB/s

Bandwidth

21.34GB/s

Render Config

40

Compute Units

9

-

2560

Shading Units

720

160

TMUs

36

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

60.61 GPixel/s

Pixel Rate

11.20 GPixel/s

151.5 GTexel/s

Texture Rate

25.20 GTexel/s

-

4.849 TFLOPS

FP32 (float)

1008 GFLOPS

606.1 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

86W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Hawaii

GPU Name

Juniper

Hawaii PRO (215-0852020)

GPU Variant

Juniper LE (215-0754009)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.04 billion

438 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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