NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 750 GM206

VS

NVIDIA GeForce GT 645 OEM NVIDIA GeForce GTX 750 GM206

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

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

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

NVIDIA GeForce GTX 750 GM206 's Advantages

Released 3 years and 7 months late

Boost Clock1239MHz

More VRAM (2GB vs 1GB)

224 additional rendering cores

Lower TDP (60W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 750 GM206 +41%

1.269 TFLOPS

GeForce GT 645 OEM

VS

GeForce GTX 750 GM206

Graphics Card

Apr 2012

Release Date

Nov 2015

GeForce 600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1087 MHz

-

Boost Clock

1239 MHz

957 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

80.19GB/s

Render Config

6

SM Count

-

Compute Units

-

288

Shading Units

512

48

TMUs

32

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

48 KB (per SMM)

384 KB

L2 Cache

1024 KB

Theoretical Performance

9.312 GPixel/s

Pixel Rate

39.65 GPixel/s

37.25 GTexel/s

Texture Rate

39.65 GTexel/s

-

FP16 (half)

-

894.0 GFLOPS

FP32 (float)

1269 GFLOPS

74.50 GFLOPS

FP64 (double)

39.65 GFLOPS

Graphics Processor

GF114

GPU Name

GM206

-

GPU Variant

-

Fermi 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

2.94 billion

332 mm²

Die Size

228 mm²

Board Design

102W

TDP

60W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x HDMI 2.0

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.2

5.1

Shader Model

6.4

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