NVIDIA GeForce 8800 GS Mac Edition vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce 8800 GS Mac Edition

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GS Mac Edition and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GS Mac Edition 's Advantages

Larger VRAM bandwidth (51.14GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 4 years and 3 months late

More VRAM (2GB vs 512GB)

320 additional rendering cores

Lower TDP (50W vs 105W)

Score

Benchmark

FP32 (float)

GeForce 8800 GS Mac Edition

0.16 TFLOPS

GeForce GT 640 OEM +282%

0.612 TFLOPS

GeForce 8800 GS Mac Edition

VS

GeForce GT 640 OEM

Graphics Card

Jan 2008

Release Date

Apr 2012

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

MXM-HE

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

799 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

51.14GB/s

Bandwidth

28.51GB/s

Render Config

-

8

SM Count

-

64

Shading Units

384

32

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

6.376 GPixel/s

16.00 GTexel/s

Texture Rate

25.50 GTexel/s

-

160.0 GFLOPS

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

105W

TDP

50W

300 W

Suggested PSU

250 W

No outputs

Outputs

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

None

Power Connectors

None

Graphics Processor

G92

GPU Name

GK107

-

GPU Variant

GK107-320-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

1.27 billion

324 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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