NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 6530

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Released 1 years and 3 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 19.20GB/s)

944 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +406%

2.634 TFLOPS

Radeon HD 6530

0.52 TFLOPS

GeForce GTX 660 Ti

VS

Radeon HD 6530

Graphics Card

Aug 2012

Release Date

May 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

5

-

1344

Shading Units

400

112

TMUs

20

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

5.200 GPixel/s

109.8 GTexel/s

Texture Rate

13.00 GTexel/s

-

2.634 TFLOPS

FP32 (float)

520.0 GFLOPS

109.8 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

39W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

Redwood

GK104-300-KD-A2

GPU Variant

Redwood PRO (215-0757004)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.627 billion

294 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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