GeForce 805A vs GT 745A

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Primary details

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

Place in the ranking748not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.67no data
ArchitectureKepler (2012−2018)Kepler 2.0 (2013−2015)
GPU code nameGK107GK208
Market segmentLaptopLaptop
Release date26 August 2013 (11 years ago)22 July 2014 (10 years ago)

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 cores384192
Core clock speed837 MHz719 MHz
Boost clock speed915 MHz758 MHz
Number of transistors1,270 million915 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)33 Watt15 Watt
Texture fill rate29.2812.13
Floating-point processing power0.7027 TFLOPS0.2911 TFLOPS
ROPs168
TMUs3216

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 x8

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 typeDDR3DDR3
Maximum RAM amount2 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed900 MHz1001 MHz
Memory bandwidth28.8 GB/s16.02 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.03.5

Pros & cons summary


Recency 26 August 2013 22 July 2014
Maximum RAM amount 2 GB 1 GB
Power consumption (TDP) 33 Watt 15 Watt

GT 745A has a 100% higher maximum VRAM amount.

GeForce 805A, on the other hand, has an age advantage of 10 months, and 120% lower power consumption.

We couldn't decide between GeForce GT 745A and GeForce 805A. 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 GT 745A
GeForce GT 745A
NVIDIA GeForce 805A
GeForce 805A

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