NVIDIA GeForce GTX 560 Ti X2 vs ATI Radeon HD 4650

VS

NVIDIA GeForce GTX 560 Ti X2

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 Ti X2 and 256MB VRAM Radeon HD 4650 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

Released 2 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (128.3GB/s vs 22.40GB/s)

64 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti X2 +240%

1.306 TFLOPS

Radeon HD 4650

0.384 TFLOPS

GeForce GTX 560 Ti X2

VS

Radeon HD 4650

Graphics Card

Jan 2011

Release Date

Sep 2008

GeForce 500

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.3GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

8

SM Count

-

384

Shading Units

320

64

TMUs

32

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

4.800 GPixel/s

54.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

1306 GFLOPS

FP32 (float)

384.0 GFLOPS

108.8 GFLOPS

FP64 (double)

-

Board Design

170W

TDP

48W

450 W

Suggested PSU

200 W

3x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

-

Graphics Processor

GF114

GPU Name

RV730

GF114-400-A1

GPU Variant

RV730 PRO (215-0719056)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.514 billion

332 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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