NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 8800 GTS Core 112

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce 8800 GTS Core 112

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 640MB VRAM GeForce 8800 GTS Core 112 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 4 years and 5 months late

More VRAM (1536GB vs 640GB)

32 additional rendering cores

Lower TDP (75W vs 150W)

NVIDIA GeForce 8800 GTS Core 112 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 38.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand +54%

0.415 TFLOPS

GeForce 8800 GTS Core 112

0.269 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce 8800 GTS Core 112

Graphics Card

Apr 2012

Release Date

Nov 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

640MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

320bit

38.40GB/s

Bandwidth

64.00GB/s

Render Config

-

3

SM Count

14

144

Shading Units

112

24

TMUs

28

24

ROPs

20

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

80 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

10.00 GPixel/s

17.28 GTexel/s

Texture Rate

28.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

268.8 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GF116

GPU Name

G80

GF116-150-A1

GPU Variant

G80-100-K0-A2

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

1.17 billion

Transistors

0.681 billion

238 mm²

Die Size

484 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

2.1

CUDA

1.0

5.1

Shader Model

4.0

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