NVIDIA GeForce GTX 750 Ti OEM vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce GTX 750 Ti OEM NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 750 Ti OEM and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 750 Ti OEM 's Advantages

Boost Clock1098MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (192.3GB/s vs 40.06GB/s)

576 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 750 Ti OEM +162%

2.108 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

GeForce GTX 750 Ti OEM

VS

GeForce GT 640 Rev. 2

Graphics Card

Unknown

Release Date

May 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

1033 MHz

Base Clock

-

1098 MHz

Boost Clock

-

1502 MHz

Memory Clock

1252 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

40.06GB/s

Render Config

-

SM Count

-

Compute Units

-

960

Shading Units

384

80

TMUs

32

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

21.96 GPixel/s

Pixel Rate

8.368 GPixel/s

87.84 GTexel/s

Texture Rate

33.47 GTexel/s

-

FP16 (half)

-

2.108 TFLOPS

FP32 (float)

803.3 GFLOPS

87.84 GFLOPS

FP64 (double)

33.47 GFLOPS

Graphics Processor

GK106

GPU Name

GK208

-

GPU Variant

GK208-400-A1

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.02 billion

221 mm²

Die Size

87 mm²

Board Design

150W

TDP

49W

450 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

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