AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 560 Ti X2

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce GTX 560 Ti X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 1024MB VRAM GeForce GTX 560 Ti X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 1 years and 1 months late

256 additional rendering cores

Lower TDP (80W vs 170W)

NVIDIA GeForce GTX 560 Ti X2 's Advantages

Larger VRAM bandwidth (128.3GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce GTX 560 Ti X2 +2%

1.306 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce GTX 560 Ti X2

Graphics Card

Feb 2012

Release Date

Jan 2011

Southern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1002 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

128.3GB/s

Render Config

10

Compute Units

-

SM Count

8

640

Shading Units

384

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

13.60 GPixel/s

40.00 GTexel/s

Texture Rate

54.40 GTexel/s

-

1280 GFLOPS

FP32 (float)

1306 GFLOPS

80.00 GFLOPS

FP64 (double)

108.8 GFLOPS

Board Design

80W

TDP

170W

250 W

Suggested PSU

450 W

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

Outputs

3x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

GF114

Cape Verde XT

GPU Variant

GF114-400-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.95 billion

123 mm²

Die Size

332 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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