GeForce GT 635M vs GTX 660 OEM

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Aggregate performance score

We've compared GeForce GTX 660 OEM with GeForce GT 635M, including specs and performance data.

GTX 660 OEM
2012
2 GB GDDR5, 130 Watt
3.36
+132%

GTX 660 OEM outperforms GT 635M by a whopping 132% based on our aggregate benchmark results.

Primary details

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

Place in the ranking737993
Place by popularitynot in top-100not in top-100
Power efficiency1.802.89
ArchitectureKepler (2012−2018)Fermi 2.0 (2010−2014)
GPU code nameGK104GF116
Market segmentDesktopLaptop
Release date22 August 2012 (12 years ago)22 March 2012 (12 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 cores1152Up to 144
Core clock speed823 MHzUp to 675 MHz
Boost clock speed888 MHz753 MHz
Number of transistors3,540 million1,170 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)130 Watt35 Watt
Texture fill rate85.2516.20
Floating-point processing power2.046 TFLOPS0.3888 TFLOPS
ROPs3216
TMUs9624

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 datalarge
Bus supportno dataPCI Express 2.0
InterfacePCIe 3.0 x16PCIe 2.0 x16
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 typeGDDR5DDR3
Maximum RAM amount2 GB2 GB
Memory bus width256 BitUp to 192bit
Memory clock speed1400 MHz900 MHz
Memory bandwidth179.2 GB/sUp to 43.2 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 DisplayPortNo outputs
HDMI++
HDCP-+
Maximum VGA resolutionno dataUp to 2048x1536

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray-+
Optimus-+

API compatibility

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

DirectX12 (11_0)12 API
Shader Model5.15.1
OpenGL4.64.5
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.0+

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD55−60
+129%
24
−129%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 4−5
+0%
4−5
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 4−5
+0%
4−5
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 4−5
+0%
4−5
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

1440p
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Watch Dogs: Legion 7−8
+0%
7−8
+0%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

4K
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

This is how GTX 660 OEM and GT 635M compete in popular games:

  • GTX 660 OEM is 129% faster in 1080p

All in all, in popular games:

  • there's a draw in 49 tests (100%)

Pros & cons summary


Performance score 3.36 1.45
Recency 22 August 2012 22 March 2012
Chip lithography 28 nm 40 nm
Power consumption (TDP) 130 Watt 35 Watt

GTX 660 OEM has a 131.7% higher aggregate performance score, an age advantage of 5 months, and a 42.9% more advanced lithography process.

GT 635M, on the other hand, has 271.4% lower power consumption.

The GeForce GTX 660 OEM is our recommended choice as it beats the GeForce GT 635M in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while GeForce GT 635M 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 OEM
GeForce GTX 660 OEM
NVIDIA GeForce GT 635M
GeForce GT 635M

Comparisons with similar GPUs

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

Community ratings

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


3.8 34 votes

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3.5 463 votes

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Questions & comments

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