NVIDIA GeForce GTX 660 Ti vs ATI Radeon HD 5970

VS

NVIDIA GeForce GTX 660 Ti

ATI Radeon HD 5970

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM ATI Radeon HD 5970 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 2 years and 9 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)

Lower TDP (150W vs 294W)

ATI Radeon HD 5970 's Advantages

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +13%

2.634 TFLOPS

ATI Radeon HD 5970

2.32 TFLOPS

GeForce GTX 660 Ti

VS

ATI Radeon HD 5970

Graphics Card

Aug 2012

Release Date

Nov 2009

GeForce 600

Generation

Evergreen

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

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

20

-

1344

Shading Units

1600

112

TMUs

80

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

23.20 GPixel/s

109.8 GTexel/s

Texture Rate

58.00 GTexel/s

-

2.634 TFLOPS

FP32 (float)

2.320 TFLOPS

109.8 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

150W

TDP

294W

450 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x mini-DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

Hemlock

GK104-300-KD-A2

GPU Variant

Hemlock XT (215-0735075)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

2.154 billion

294 mm²

Die Size

334 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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