NVIDIA GeForce GTX 560 Ti X2 vs AMD Radeon R9 270

VS

NVIDIA GeForce GTX 560 Ti X2

AMD Radeon R9 270

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 Ti X2 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 2 years and 10 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 128.3GB/s)

896 additional rendering cores

Lower TDP (150W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti X2

1.306 TFLOPS

Radeon R9 270 +81%

2.368 TFLOPS

GeForce GTX 560 Ti X2

VS

Radeon R9 270

Graphics Card

Jan 2011

Release Date

Nov 2013

GeForce 500

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1002 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.3GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

8

SM Count

-

384

Shading Units

1280

64

TMUs

80

32

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

29.60 GPixel/s

54.40 GTexel/s

Texture Rate

74.00 GTexel/s

-

1306 GFLOPS

FP32 (float)

2.368 TFLOPS

108.8 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

170W

TDP

150W

450 W

Suggested PSU

450 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

Curacao

GF114-400-A1

GPU Variant

Curacao PRO (215-0848000)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

2.8 billion

332 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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