GeForce GTX 660M vs Radeon RX Vega M GL

Place in the ranking	454	705
Place by popularity	not in top-100	not in top-100
Power efficiency	10.57	5.23
Architecture	GCN 4.0 (2016−2020)	Kepler (2012−2018)
GPU code name	Polaris 22	GK107
Market segment	Laptop	Laptop
Release date	1 February 2018 (6 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 cores	1280	384
Core clock speed	931 MHz	835 MHz
Boost clock speed	1011 MHz	950 MHz
Number of transistors	5,000 million	1,270 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	65 Watt	50 Watt
Texture fill rate	80.88	30.40
Floating-point processing power	2.588 TFLOPS	0.7296 TFLOPS
ROPs	32	16
TMUs	80	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	no data	large
Bus support	no data	PCI Express 2.0, PCI Express 3.0
Interface	IGP	MXM-B (3.0)
SLI options	-	+

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	HBM2	GDDR5
Maximum RAM amount	4 GB	1 GB
Memory bus width	1024 Bit	128bit
Memory clock speed	700 MHz	2000 MHz
Memory bandwidth	179.2 GB/s	64.0 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	no data	Up to 2048x1536

Supported technologies

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

Optimus

API compatibility

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

DirectX	12 (12_0)	12 API
Shader Model	6.4	5.1
OpenGL	4.6	4.5
OpenCL	2.0	1.1
Vulkan	1.2.131	1.1.126
CUDA	-	+

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RX Vega M GL 9.85
+163%

GTX 660M 3.75

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RX Vega M GL 3799
+163%

GTX 660M 1447

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:

900p	80−85 +150%	32 −150%
Full HD	90−95 +157%	35 −157%
1200p	95−100 +150%	38 −150%

FPS performance in popular games

Full HD
High Preset

The Witcher 3: Wild Hunt

24−27
+73.3%

14−16

−73.3%

Full HD
Ultra Preset

The Witcher 3: Wild Hunt

24−27
+73.3%

14−16

−73.3%

4K
High Preset

The Witcher 3: Wild Hunt

7−8
+250%

2−3

−250%

Full HD
Low Preset

Cyberpunk 2077

7−8

+0%

7−8

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Assassin's Creed Valhalla	3−4 +0%	3−4 +0%
Battlefield 5	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Far Cry 5	8−9 +0%	8−9 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Metro Exodus	7−8 +0%	7−8 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
High Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Assassin's Creed Valhalla	3−4 +0%	3−4 +0%
Battlefield 5	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Far Cry 5	8−9 +0%	8−9 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Metro Exodus	7−8 +0%	7−8 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Assassin's Creed Valhalla	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Far Cry 5	8−9 +0%	8−9 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
Epic Preset

Red Dead Redemption 2

9−10

+0%

9−10

+0%

1440p
High Preset

Battlefield 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Forza Horizon 4	3−4 +0%	3−4 +0%
Hitman 3	8−9 +0%	8−9 +0%
Horizon Zero Dawn	9−10 +0%	9−10 +0%
The Witcher 3: Wild Hunt	3−4 +0%	3−4 +0%
Watch Dogs: Legion	21−24 +0%	21−24 +0%

1440p
Epic Preset

Red Dead Redemption 2

7−8

+0%

7−8

+0%

4K
High Preset

Battlefield 5	2−3 +0%	2−3 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Metro Exodus	0−1	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Assassin's Creed Valhalla	2−3 +0%	2−3 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Cyberpunk 2077	0−1	0−1
Far Cry 5	2−3 +0%	2−3 +0%
Forza Horizon 4	2−3 +0%	2−3 +0%
Watch Dogs: Legion	1−2 +0%	1−2 +0%

4K
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

This is how RX Vega M GL and GTX 660M compete in popular games:

RX Vega M GL is 150% faster in 900p
RX Vega M GL is 157% faster in 1080p
RX Vega M GL is 150% faster in 1200p

Here's the range of performance differences observed across popular games:

in The Witcher 3: Wild Hunt, with 1080p resolution and the High Preset, the RX Vega M GL is 73% faster.

All in all, in popular games:

RX Vega M GL is ahead in 2 tests (3%)
there's a draw in 61 test (97%)

Pros & cons summary

Performance score	9.85	3.75
Recency	1 February 2018	22 March 2012
Maximum RAM amount	4 GB	1 GB
Chip lithography	14 nm	28 nm
Power consumption (TDP)	65 Watt	50 Watt

RX Vega M GL has a 162.7% higher aggregate performance score, an age advantage of 5 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

GTX 660M, on the other hand, has 30% lower power consumption.

The Radeon RX Vega M GL is our recommended choice as it beats the GeForce GTX 660M in performance tests.

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