ATI Radeon HD 5970 vs NVIDIA GeForce GTX 660 OEM

VS

ATI Radeon HD 5970

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

448 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 2 years and 9 months late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)

Lower TDP (130W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +13%

2.32 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

ATI Radeon HD 5970

VS

GeForce GTX 660 OEM

Graphics Card

Nov 2009

Release Date

Aug 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

1000 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

128.0GB/s

Bandwidth

134.4GB/s

Render Config

20

Compute Units

-

1600

Shading Units

1152

80

TMUs

96

32

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

21.31 GPixel/s

58.00 GTexel/s

Texture Rate

85.25 GTexel/s

-

2.320 TFLOPS

FP32 (float)

2.046 TFLOPS

464.0 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

294W

TDP

130W

600 W

Suggested PSU

300 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Hemlock

GPU Name

GK104

Hemlock XT (215-0735075)

GPU Variant

GK104-200-KD-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

3.54 billion

334 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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