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

VS

NVIDIA GeForce 8800 GS Mac Edition

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GS Mac Edition and 1536MB VRAM GeForce GT 640 OEM Rebrand 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 38.40GB/s)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 4 years and 3 months late

More VRAM (1536GB vs 512GB)

80 additional rendering cores

Lower TDP (75W vs 105W)

Score

Benchmark

FP32 (float)

GeForce 8800 GS Mac Edition

0.16 TFLOPS

GeForce GT 640 OEM Rebrand +159%

0.415 TFLOPS

GeForce 8800 GS Mac Edition

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jan 2008

Release Date

Apr 2012

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

MXM-HE

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

799 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1536MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

192bit

51.14GB/s

Bandwidth

38.40GB/s

Render Config

-

8

SM Count

3

64

Shading Units

144

32

TMUs

24

16

ROPs

24

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

4.320 GPixel/s

16.00 GTexel/s

Texture Rate

17.28 GTexel/s

-

160.0 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

105W

TDP

75W

300 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

G92

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.754 billion

Transistors

1.17 billion

324 mm²

Die Size

238 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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