NVIDIA GeForce GTX 560 Ti X2 vs AMD Radeon HD 6770 Green Edition

VS

NVIDIA GeForce GTX 560 Ti X2

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 Ti X2 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

NVIDIA GeForce GTX 560 Ti X2 's Advantages

Larger VRAM bandwidth (128.3GB/s vs 21.34GB/s)

AMD Radeon HD 6770 Green Edition 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1024GB)

336 additional rendering cores

Lower TDP (86W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti X2 +29%

1.306 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

GeForce GTX 560 Ti X2

VS

Radeon HD 6770 Green Edition

Graphics Card

Jan 2011

Release Date

Apr 2013

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

667 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.3GB/s

Bandwidth

21.34GB/s

Render Config

-

Compute Units

9

8

SM Count

-

384

Shading Units

720

64

TMUs

36

32

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

11.20 GPixel/s

54.40 GTexel/s

Texture Rate

25.20 GTexel/s

-

1306 GFLOPS

FP32 (float)

1008 GFLOPS

108.8 GFLOPS

FP64 (double)

-

Board Design

170W

TDP

86W

450 W

Suggested PSU

250 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

-

Graphics Processor

GF114

GPU Name

Juniper

GF114-400-A1

GPU Variant

Juniper LE (215-0754009)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.04 billion

332 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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