NVIDIA GeForce GTX 750 GM206 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GTX 750 GM206

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 750 GM206 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 750 GM206 's Advantages

Released 3 years and 7 months late

Boost Clock1239MHz

More VRAM (2GB vs 1024GB)

224 additional rendering cores

Lower TDP (60W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 80.19GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 750 GM206 +41%

1.269 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 750 GM206

VS

GeForce GT 645 OEM

Graphics Card

Nov 2015

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1087 MHz

Base Clock

-

1239 MHz

Boost Clock

-

1253 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

80.19GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

512

Shading Units

288

32

TMUs

48

32

ROPs

24

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

39.65 GPixel/s

Pixel Rate

9.312 GPixel/s

39.65 GTexel/s

Texture Rate

37.25 GTexel/s

-

1269 GFLOPS

FP32 (float)

894.0 GFLOPS

39.65 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

60W

TDP

102W

250 W

Suggested PSU

300 W

2x DVI 1x HDMI 2.0

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Graphics Processor

GM206

GPU Name

GF114

-

Maxwell 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.94 billion

Transistors

1.95 billion

228 mm²

Die Size

332 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

2.1

6.4

Shader Model

5.1

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