RTX A1000 Mobile vs GeForce GTX 660 Rev. 2

Primary details

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

Place in the rankingnot rated217
Place by popularitynot in top-100not in top-100
Power efficiencyno data28.53
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK104GA107
Market segmentDesktopMobile workstation
Release date13 September 2014 (10 years ago)30 March 2022 (2 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 cores9602048
Core clock speed980 MHz630 MHz
Boost clock speed1032 MHz1140 MHz
Number of transistors3,540 millionno data
Manufacturing process technology28 nm8 nm
Power consumption (TDP)140 Watt60 Watt
Texture fill rate82.5672.96
Floating-point processing power1.981 TFLOPS4.669 TFLOPS
ROPs2432
TMUs8064
Tensor Coresno data64
Ray Tracing Coresno data16

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).

Laptop sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 4.0 x8
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno data

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 amount2 GB4 GB
Memory bus width192 Bit128 Bit
Memory clock speed1502 MHz1375 MHz
Memory bandwidth144.2 GB/s176.0 GB/s
Shared memory--

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 Connectors2x DVI, 1x HDMI, 1x DisplayPortPortable Device Dependent
HDMI+-

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
CUDA3.08.6

Pros & cons summary


Recency 13 September 2014 30 March 2022
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 140 Watt 60 Watt

RTX A1000 Mobile has an age advantage of 7 years, a 100% higher maximum VRAM amount, a 250% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between GeForce GTX 660 Rev. 2 and RTX A1000 Mobile. We've got no test results to judge.

Be aware that GeForce GTX 660 Rev. 2 is a desktop card while RTX A1000 Mobile 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 GTX 660 Rev. 2
GeForce GTX 660 Rev. 2
NVIDIA RTX A1000 Mobile
RTX A1000 Mobile

Comparisons with similar GPUs

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Community ratings

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3.5 49 votes

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3.2 86 votes

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Questions & comments

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