NVIDIA GeForce GTX 660 OEM vs ATI FirePro V8800

VS

NVIDIA GeForce GTX 660 OEM ATI FirePro V8800

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 2GB VRAM FirePro V8800 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 4 months late

Boost Clock888MHz

Lower TDP (130W vs 208W)

ATI FirePro V8800 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (147.2GB/s vs 134.4GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

FirePro V8800 +29%

2.64 TFLOPS

GeForce GTX 660 OEM

VS

FirePro V8800

Graphics Card

Aug 2012

Release Date

Apr 2010

GeForce 600

Generation

FirePro

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

1150 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

147.2GB/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

26.40 GPixel/s

85.25 GTexel/s

Texture Rate

66.00 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

2.640 TFLOPS

85.25 GFLOPS

FP64 (double)

528.0 GFLOPS

Graphics Processor

GK104

GPU Name

Cypress

GK104-200-KD-A2

GPU Variant

Cypress XT GL

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

208W

300 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.1 1x S-Video

1x 6-pin

Power Connectors

2x 6-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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