RTX A3000 Mobile 12 GB vs GeForce 945A

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Primary details

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

Place in the ranking641not rated
Place by popularitynot in top-100not in top-100
Power efficiency9.99no data
ArchitectureMaxwell (2014−2017)Ampere (2020−2024)
GPU code nameGM108GA104
Market segmentLaptopMobile workstation
Release date13 March 2015 (9 years ago)12 April 2021 (3 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 cores3844096
Core clock speed1006 MHz495 MHz
Boost clock speed1189 MHz1170 MHz
Number of transistorsno data17,400 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)33 Watt70 Watt
Texture fill rate28.54149.8
Floating-point processing power0.9132 TFLOPS9.585 TFLOPS
ROPs864
TMUs24128
Tensor Coresno data128
Ray Tracing Coresno data32

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 x8PCIe 4.0 x16

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 typeGDDR5GDDR6
Maximum RAM amount1 GB12 GB
Memory bus width64 Bit192 Bit
Memory clock speed1253 MHz1750 MHz
Memory bandwidth40.1 GB/s336.0 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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA5.08.6

Pros & cons summary


Recency 13 March 2015 12 April 2021
Maximum RAM amount 1 GB 12 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 33 Watt 70 Watt

GeForce 945A has 112.1% lower power consumption.

RTX A3000 Mobile 12 GB, on the other hand, has an age advantage of 6 years, a 1100% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between GeForce 945A and RTX A3000 Mobile 12 GB. We've got no test results to judge.

Be aware that GeForce 945A is a notebook graphics card while RTX A3000 Mobile 12 GB is a mobile workstation one.


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 945A
GeForce 945A
NVIDIA RTX A3000 Mobile 12 GB
RTX A3000 Mobile 12 GB

Comparisons with similar GPUs

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Community ratings

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2.5 10 votes

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3.2 26 votes

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Questions & comments

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