GeForce GTX 660 Rev. 2 vs GTX 780 Rev. 2

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GTX 745 OEM GTX 750 GTX 750 Ti GTX 760 GTX 760 Ti OEM GTX 770 GTX 780 GTX 780 6 GB GTX 780 Rev. 2 GTX 780 Ti GTX 780 Ti 6 GB GTX 780 Ti Engineering Sample
VS
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GTX 645 OEM GTX 650 GTX 650 Ti GTX 650 Ti Boost GTX 660 GTX 660 OEM GTX 660 Rev. 2 GTX 660 Ti GTX 670 GTX 680 GTX 690 GTX 750 Ti

Contents

GTX 780 Rev. 2 GTX 780 Rev. 2
GTX 660 Rev. 2 GTX 660 Rev. 2

Primary details

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

Place in the ranking427not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.25no data
Power efficiency2.98no data
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK110BGK104
Market segmentDesktopDesktop
Release date10 September 2013 (11 years ago)13 September 2014 (10 years ago)
Launch price (MSRP)$649 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores2304960
Core clock speed863 MHz980 MHz
Boost clock speed902 MHz1032 MHz
Number of transistors7,080 million3,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)250 Watt140 Watt
Texture fill rate173.282.56
Floating-point processing power4.156 TFLOPS1.981 TFLOPS
ROPs4824
TMUs19280

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 x16
Length267 mm241 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin1x 6-pin

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 typeGDDR5GDDR5
Maximum RAM amount3 GB2 GB
Memory bus width384 Bit192 Bit
Memory clock speed1502 MHz1502 MHz
Memory bandwidth288.4 GB/s144.2 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 Connectors2x DVI, 1x HDMI, 1x DisplayPort2x DVI, 1x HDMI, 1x DisplayPort
HDMI++

API compatibility

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

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.53.0

Pros & cons summary

Recency 10 September 2013 13 September 2014
Maximum RAM amount 3 GB 2 GB
Power consumption (TDP) 250 Watt 140 Watt

GTX 780 Rev. 2 has a 50% higher maximum VRAM amount.

GTX 660 Rev. 2, on the other hand, has an age advantage of 1 year, and 78.6% lower power consumption.

We couldn't decide between GeForce GTX 780 Rev. 2 and GeForce GTX 660 Rev. 2. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

NVIDIA GeForce GTX 780 Rev. 2
GeForce GTX 780 Rev. 2
NVIDIA GeForce GTX 660 Rev. 2
GeForce GTX 660 Rev. 2
Like
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Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

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vs
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GTX 660 Rev. 2 GeForce GTX 660 Rev. 2
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RX 460 1024SP Radeon RX 460 1024SP
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GeForce 820M GeForce 820M
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HD 8750M Radeon HD 8750M
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GT 710 GeForce GT 710
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GTX 745 OEM GeForce GTX 745 OEM
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HD 6850 Radeon HD 6850
GTX 780 Rev. 2 GeForce GTX 780 Rev. 2
vs
Pro 560 Radeon Pro 560

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.

4.2 13 votes

Rate GeForce GTX 780 Rev. 2 on a scale of 1 to 5:

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3.5 49 votes

Rate GeForce GTX 660 Rev. 2 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.