NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 5870 Eyefinity 6

VS

NVIDIA GeForce GTX 660 OEM ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 2GB VRAM Radeon HD 5870 Eyefinity 6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 2 years and 5 months late

Boost Clock888MHz

Lower TDP (130W vs 228W)

ATI Radeon HD 5870 Eyefinity 6 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon HD 5870 Eyefinity 6 +32%

2.72 TFLOPS

GeForce GTX 660 OEM

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Aug 2012

Release Date

Mar 2010

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

1200 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

Compute Units

20

1152

Shading Units

1600

96

TMUs

80

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

27.20 GPixel/s

85.25 GTexel/s

Texture Rate

68.00 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

2.720 TFLOPS

85.25 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

GK104

GPU Name

Cypress

GK104-200-KD-A2

GPU Variant

Cypress XT (215-0735033)

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

Board Design

130W

TDP

228W

300 W

Suggested PSU

550 W

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

Outputs

6x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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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