GeForce GTX 660M Mac Edition vs GT 635M

Place in the ranking	990	964
Place by popularity	not in top-100	not in top-100
Power efficiency	2.89	2.17
Architecture	Fermi 2.0 (2010−2014)	Kepler (2012−2018)
GPU code name	GF116	GK107
Market segment	Laptop	Laptop
Release date	22 March 2012 (12 years ago)	1 April 2013 (11 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 cores	Up to 144	384
Core clock speed	Up to 675 MHz	950 MHz
Boost clock speed	753 MHz	no data
Number of transistors	1,170 million	1,270 million
Manufacturing process technology	40 nm	28 nm
Power consumption (TDP)	35 Watt	50 Watt
Texture fill rate	16.20	30.40
Floating-point processing power	0.3888 TFLOPS	0.7296 TFLOPS
ROPs	16	16
TMUs	24	32

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 size	large	no data
Bus support	PCI Express 2.0	no data
Interface	PCIe 2.0 x16	MXM-B (3.0)
Supplementary power connectors	no data	None

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 type	DDR3	GDDR5
Maximum RAM amount	2 GB	512 MB
Memory bus width	Up to 192bit	128 Bit
Memory clock speed	900 MHz	1250 MHz
Memory bandwidth	Up to 43.2 GB/s	80 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 Connectors	No outputs	No outputs
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	Up to 2048x1536	no data

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.

DirectX	12 API	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.1.126
CUDA	+	3.0

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 HD

+0%

24−27

+0%

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 −6.7%	16−18 +6.7%
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 −6.1%	35−40 +6.1%

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 −6.7%	16−18 +6.7%
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 +10%	10−11 −10%
Watch Dogs: Legion	30−35 −6.1%	35−40 +6.1%

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 −6.7%	16−18 +6.7%
Shadow of the Tomb Raider	8−9 +0%	8−9 +0%
The Witcher 3: Wild Hunt	10−12 +10%	10−11 −10%
Watch Dogs: Legion	30−35 −6.1%	35−40 +6.1%

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 GT 635M and GTX 660M Mac Edition compete in popular games:

A tie in 1080p

Pros & cons summary

Performance score	1.45	1.56
Recency	22 March 2012	1 April 2013
Maximum RAM amount	2 GB	512 MB
Chip lithography	40 nm	28 nm
Power consumption (TDP)	35 Watt	50 Watt

GT 635M has a 300% higher maximum VRAM amount, and 42.9% lower power consumption.

GTX 660M Mac Edition, on the other hand, has a 7.6% higher aggregate performance score, an age advantage of 1 year, and a 42.9% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between GeForce GT 635M and GeForce GTX 660M Mac Edition.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.