GeForce GTX 660M vs Radeon RX 550

Place in the ranking	551	710
Place by popularity	29	not in top-100
Cost-effectiveness evaluation	2.92	no data
Power efficiency	9.77	5.23
Architecture	GCN 4.0 (2016−2020)	Kepler (2012−2018)
GPU code name	Lexa	GK107
Market segment	Desktop	Laptop
Release date	20 April 2017 (7 years ago)	22 March 2012 (12 years ago)
Launch price (MSRP)	$79	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 cores	512	384
Core clock speed	1100 MHz	835 MHz
Boost clock speed	1183 MHz	950 MHz
Number of transistors	2,200 million	1,270 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	50 Watt	50 Watt
Texture fill rate	37.86	30.40
Floating-point processing power	1.211 TFLOPS	0.7296 TFLOPS
ROPs	16	16
TMUs	32	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	PCIe 3.0 x8	MXM-B (3.0)
Length	145 mm	no data
Width	2-slot	no data
Supplementary power connectors	None	no data
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	GDDR5	GDDR5
Maximum RAM amount	4 GB	1 GB
Memory bus width	128 Bit	128bit
Memory clock speed	1750 MHz	2000 MHz
Memory bandwidth	112.0 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	1x DVI, 1x HDMI, 1x DisplayPort	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 550 7.08
+86.8%

GTX 660M 3.79

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 550 2722
+86.8%

GTX 660M 1457

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RX 550 11228
+178%

GTX 660M 4033

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	55−60 +71.9%	32 −71.9%
Full HD	65−70 +85.7%	35 −85.7%
1200p	70−75 +84.2%	38 −84.2%

Cost per frame, $

1080p

1.22

no data

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Elden Ring	8−9 +0%	8−9 +0%

Full HD
Medium Preset

Battlefield 5	10−11 +0%	10−11 +0%
Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
Metro Exodus	8−9 +0%	8−9 +0%
Red Dead Redemption 2	12−14 +0%	12−14 +0%
Valorant	5−6 +0%	5−6 +0%

Full HD
High Preset

Battlefield 5	10−11 +0%	10−11 +0%
Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Dota 2	10−12 +0%	10−12 +0%
Elden Ring	8−9 +0%	8−9 +0%
Far Cry 5	20−22 +0%	20−22 +0%
Fortnite	21−24 +0%	21−24 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
Grand Theft Auto V	10−12 +0%	10−12 +0%
Metro Exodus	8−9 +0%	8−9 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−35 +0%	30−35 +0%
Red Dead Redemption 2	12−14 +0%	12−14 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Valorant	5−6 +0%	5−6 +0%
World of Tanks	89 +0%	89 +0%

Full HD
Ultra Preset

Battlefield 5	10−11 +0%	10−11 +0%
Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Dota 2	10−12 +0%	10−12 +0%
Far Cry 5	20−22 +0%	20−22 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−35 +0%	30−35 +0%
Valorant	5−6 +0%	5−6 +0%

1440p
High Preset

Dota 2	2−3 +0%	2−3 +0%
Elden Ring	4−5 +0%	4−5 +0%
Grand Theft Auto V	2−3 +0%	2−3 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	27−30 +0%	27−30 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
World of Tanks	27−30 +0%	27−30 +0%

1440p
Ultra Preset

Battlefield 5	5−6 +0%	5−6 +0%
Counter-Strike 2	9−10 +0%	9−10 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry 5	9−10 +0%	9−10 +0%
Forza Horizon 4	3−4 +0%	3−4 +0%
Metro Exodus	0−1	0−1
The Witcher 3: Wild Hunt	5−6 +0%	5−6 +0%
Valorant	10−12 +0%	10−12 +0%

4K
High Preset

Dota 2	16−18 +0%	16−18 +0%
Elden Ring	2−3 +0%	2−3 +0%
Grand Theft Auto V	16−18 +0%	16−18 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	10−12 +0%	10−12 +0%
Red Dead Redemption 2	2−3 +0%	2−3 +0%
The Witcher 3: Wild Hunt	16−18 +0%	16−18 +0%

4K
Ultra Preset

Battlefield 5	3−4 +0%	3−4 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Dota 2	16−18 +0%	16−18 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Fortnite	3−4 +0%	3−4 +0%
Forza Horizon 4	1−2 +0%	1−2 +0%
Valorant	3−4 +0%	3−4 +0%

This is how RX 550 and GTX 660M compete in popular games:

RX 550 is 72% faster in 900p
RX 550 is 86% faster in 1080p
RX 550 is 84% faster in 1200p

All in all, in popular games:

there's a draw in 59 tests (100%)

Pros & cons summary

Performance score	7.08	3.79
Recency	20 April 2017	22 March 2012
Maximum RAM amount	4 GB	1 GB
Chip lithography	14 nm	28 nm

RX 550 has a 86.8% higher aggregate performance score, an age advantage of 5 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

The Radeon RX 550 is our recommended choice as it beats the GeForce GTX 660M in performance tests.

Be aware that Radeon RX 550 is a desktop card while GeForce GTX 660M is a notebook one.

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