NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GTS 150 OEM

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce GTS 150 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 1024MB VRAM GeForce GTS 150 OEM 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 3 years and 1 months late

More VRAM (1536GB vs 1024GB)

16 additional rendering cores

Lower TDP (75W vs 141W)

NVIDIA GeForce GTS 150 OEM 's Advantages

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

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce GTS 150 OEM +13%

0.47 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce GTS 150 OEM

Graphics Card

Apr 2012

Release Date

Mar 2009

GeForce 600

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

1536MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

64.00GB/s

Render Config

-

3

SM Count

16

144

Shading Units

128

24

TMUs

64

24

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

64 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

11.81 GPixel/s

17.28 GTexel/s

Texture Rate

47.23 GTexel/s

-

414.7 GFLOPS

FP32 (float)

470.0 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

141W

250 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

GF116

GPU Name

G92

GF116-150-A1

GPU Variant

-

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.17 billion

Transistors

0.754 billion

238 mm²

Die Size

324 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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