GeForce GTX 750 Ti OEM vs GTX 645 OEM

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK106GK106
Market segmentDesktopDesktop
Release date22 April 2013 (11 years ago)no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores576960
Core clock speed824 MHz1033 MHz
Boost clock speedno data1098 MHz
Number of transistors2,540 million2,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)65 Watt150 Watt
Texture fill rate39.5587.84
Floating-point processing power0.9492 TFLOPSno data
ROPs1624
TMUs4880

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 3.0 x16
Length147 mmno data
Width1-slot2-slot
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width128 Bit256 Bit
Memory clock speed1000 MHz6 GB/s
Memory bandwidth64 GB/s192.3 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.16.5 (5.1)
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.2.175
CUDA3.03.0

Pros & cons summary


Maximum RAM amount 1 GB 2 GB
Power consumption (TDP) 65 Watt 150 Watt

GTX 645 OEM has 130.8% lower power consumption.

GTX 750 Ti OEM, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between GeForce GTX 645 OEM and GeForce GTX 750 Ti OEM. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GTX 645 OEM
GeForce GTX 645 OEM
NVIDIA GeForce GTX 750 Ti OEM
GeForce GTX 750 Ti OEM

Comparisons with similar GPUs

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Community ratings

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3.8 76 votes

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3.7 109 votes

Rate GeForce GTX 750 Ti OEM on a scale of 1 to 5:

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Questions & comments

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