Radeon Vega 7 vs GeForce GTX 660 Rev. 2

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Primary details

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

Place in the rankingnot rated532
Place by popularitynot in top-10018
Power efficiencyno data11.38
ArchitectureKepler (2012−2018)GCN 5.1 (2018−2022)
GPU code nameGK104Cezanne
Market segmentDesktopLaptop
Release date13 September 2014 (10 years ago)13 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 cores960448
Core clock speed980 MHz300 MHz
Boost clock speed1032 MHz1900 MHz
Number of transistors3,540 million9,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)140 Watt45 Watt
Texture fill rate82.5653.20
Floating-point processing power1.981 TFLOPS1.702 TFLOPS
ROPs248
TMUs8028

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 x16IGP
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width192 BitSystem Shared
Memory clock speed1502 MHzSystem Shared
Memory bandwidth144.2 GB/sno data
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 DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.1.1261.2
CUDA3.0-

Pros & cons summary


Recency 13 September 2014 13 April 2021
Chip lithography 28 nm 7 nm
Power consumption (TDP) 140 Watt 45 Watt

Vega 7 has an age advantage of 6 years, a 300% more advanced lithography process, and 211.1% lower power consumption.

We couldn't decide between GeForce GTX 660 Rev. 2 and Radeon Vega 7. We've got no test results to judge.

Be aware that GeForce GTX 660 Rev. 2 is a desktop card while Radeon Vega 7 is a notebook 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
AMD Radeon Vega 7
Radeon Vega 7

Comparisons with similar GPUs

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Community ratings

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3.5 49 votes

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3.8 2095 votes

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Questions & comments

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