NVIDIA GeForce GTX 750 Ti vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce GTX 750 Ti

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 750 Ti 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 GTX 750 Ti 's Advantages

Released 1 years and 10 months late

Boost Clock1085MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (86.40GB/s vs 38.40GB/s)

496 additional rendering cores

Lower TDP (60W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 750 Ti +234%

1.389 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce GTX 750 Ti

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Feb 2014

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1350 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

192bit

86.40GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

3

640

Shading Units

144

40

TMUs

24

16

ROPs

24

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

4.320 GPixel/s

43.40 GTexel/s

Texture Rate

17.28 GTexel/s

-

1389 GFLOPS

FP32 (float)

414.7 GFLOPS

43.40 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

60W

TDP

75W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 2.0

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

GF116

GM107-400-A2

GPU Variant

GF116-150-A1

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

1.17 billion

148 mm²

Die Size

238 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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