Radeon RX Vega 2 vs GeForce GTX 660 Rev. 2

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)Vega (2017−2020)
GPU code nameGK104Vega Raven Ridge
Market segmentDesktopLaptop
Release date13 September 2014 (10 years ago)7 January 2018 (6 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 cores960128
Core clock speed980 MHzno data
Boost clock speed1032 MHz1100 MHz
Number of transistors3,540 millionno data
Manufacturing process technology28 nm12 nm
Power consumption (TDP)140 Watt15 Watt
Texture fill rate82.56no data
Floating-point processing power1.981 TFLOPSno data
ROPs24no data
TMUs80no data

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 x16no data
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 typeGDDR5no data
Maximum RAM amount2 GBno data
Memory bus width192 Bitno data
Memory clock speed1502 MHzno data
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 data
HDMI+-

API compatibility

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

DirectX12 (11_0)12_1
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 13 September 2014 7 January 2018
Chip lithography 28 nm 12 nm
Power consumption (TDP) 140 Watt 15 Watt

RX Vega 2 has an age advantage of 3 years, a 133.3% more advanced lithography process, and 833.3% lower power consumption.

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

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

Comparisons with similar GPUs

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Community ratings

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3.5 49 votes

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3.2 209 votes

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Questions & comments

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