Radeon 540X vs GeForce GTX 660M Mac Edition

Place in the ranking	961	701
Place by popularity	not in top-100	not in top-100
Power efficiency	2.16	5.15
Architecture	Kepler (2012−2018)	GCN 4.0 (2016−2020)
GPU code name	GK107	Lexa
Market segment	Laptop	Laptop
Release date	1 April 2013 (11 years ago)	5 September 2018 (6 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	384	512
Core clock speed	950 MHz	980 MHz
Boost clock speed	no data	1046 MHz
Number of transistors	1,270 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	50 Watt	50 Watt
Texture fill rate	30.40	33.47
Floating-point processing power	0.7296 TFLOPS	1.071 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).

Interface	MXM-B (3.0)	PCIe 3.0 x8
Supplementary power connectors	None	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	GDDR5	GDDR5
Maximum RAM amount	512 MB	2 GB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1250 MHz	1500 MHz
Memory bandwidth	80 GB/s	48 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

API compatibility

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

DirectX	12 (11_0)	12 (12_0)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2.131
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

7−8

−171%

19
+171%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	16 +0%	16 +0%
Assassin's Creed Valhalla	12 +0%	12 +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	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Hitman 3	11 +0%	11 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Metro Exodus	23 +0%	23 +0%
Red Dead Redemption 2	19 +0%	19 +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	7−8 +0%	7−8 +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	17 +0%	17 +0%
Red Dead Redemption 2	14 +0%	14 +0%
Shadow of the Tomb Raider	20 +0%	20 +0%
The Witcher 3: Wild Hunt	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	7−8 +0%	7−8 +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	17 +0%	17 +0%
The Witcher 3: Wild Hunt	10 +0%	10 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
Epic Preset

Red Dead Redemption 2

+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 GTX 660M Mac Edition and Radeon 540X compete in popular games:

Radeon 540X is 171% faster in 1080p

All in all, in popular games:

there's a draw in 63 tests (100%)

Pros & cons summary

Performance score	1.56	3.72
Recency	1 April 2013	5 September 2018
Maximum RAM amount	512 MB	2 GB
Chip lithography	28 nm	14 nm

Radeon 540X has a 138.5% 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 540X is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.

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