NVIDIA GeForce 6800 vs NVIDIA GeForce GTX 660 Ti

VS

NVIDIA GeForce 6800

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 and 2GB VRAM GeForce GTX 660 Ti 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 7 years and 9 months late

Boost Clock980MHz

More VRAM (2GB vs 256GB)

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

1344 additional rendering cores

Score

GeForce 6800

VS

GeForce GTX 660 Ti

Graphics Card

Nov 2004

Release Date

Aug 2012

GeForce 6 PCIe

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

300 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

2GB

DDR

Memory Type

GDDR5

256bit

Memory Bus

192bit

19.20GB/s

Bandwidth

144.2GB/s

Render Config

-

Shading Units

1344

12

TMUs

112

8

ROPs

24

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

384 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

27.44 GPixel/s

3.900 GTexel/s

Texture Rate

109.8 GTexel/s

-

FP32 (float)

2.634 TFLOPS

-

FP64 (double)

109.8 GFLOPS

Board Design

Unknown

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

NV41

GPU Name

GK104

-

GPU Variant

GK104-300-KD-A2

Curie

Architecture

Kepler

TSMC

Foundry

TSMC

130 nm

Process Size

28 nm

0.19 billion

Transistors

3.54 billion

225 mm²

Die Size

294 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.0 (full) 2.1 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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