AMD Radeon HD 6530 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon HD 6530

NVIDIA GeForce GTX 660 Rev. 2

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

Main Differences

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 3 years and 4 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

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

560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6530

0.52 TFLOPS

GeForce GTX 660 Rev. 2 +280%

1.981 TFLOPS

Radeon HD 6530

VS

GeForce GTX 660 Rev. 2

Graphics Card

May 2011

Release Date

Sep 2014

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

600 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

19.20GB/s

Bandwidth

144.2GB/s

Render Config

5

Compute Units

-

400

Shading Units

960

20

TMUs

80

8

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

20.64 GPixel/s

13.00 GTexel/s

Texture Rate

82.56 GTexel/s

-

520.0 GFLOPS

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Board Design

39W

TDP

140W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

-

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

GK104

Redwood PRO (215-0757004)

GPU Variant

-

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

3.54 billion

104 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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