Radeon 660M vs GeForce GTX 775M Mac Edition

Place in the ranking	738	563
Place by popularity	not in top-100	not in top-100
Power efficiency	2.33	11.88
Architecture	Kepler (2012−2018)	RDNA 2.0 (2020−2024)
GPU code name	GK104	Rembrandt+
Market segment	Laptop	Laptop
Release date	8 November 2013 (11 years ago)	3 January 2023 (2 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	1344	384
Core clock speed	797 MHz	1500 MHz
Boost clock speed	no data	1900 MHz
Number of transistors	3,540 million	13,100 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	100 Watt	40 Watt
Texture fill rate	89.26	45.60
Floating-point processing power	2.142 TFLOPS	1.459 TFLOPS
ROPs	32	16
TMUs	112	24
Ray Tracing Cores	no data	6

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 4.0 x8
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	GDDR5	System Shared
Maximum RAM amount	2 GB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	1250 MHz	System Shared
Memory bandwidth	160.0 GB/s	no data
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

Portable Device Dependent

API compatibility

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

DirectX	12 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.3
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

10−12

−140%

24
+140%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	12−14 +0%	12−14 +0%
Cyberpunk 2077	24 +0%	24 +0%

Full HD
Medium Preset

Battlefield 5	21−24 +0%	21−24 +0%
Counter-Strike 2	17 +0%	17 +0%
Cyberpunk 2077	10 +0%	10 +0%
Forza Horizon 4	42 +0%	42 +0%
Forza Horizon 5	30 +0%	30 +0%
Metro Exodus	32 +0%	32 +0%
Red Dead Redemption 2	20−22 +0%	20−22 +0%
Valorant	36 +0%	36 +0%

Full HD
High Preset

Battlefield 5	21−24 +0%	21−24 +0%
Counter-Strike 2	11 +0%	11 +0%
Cyberpunk 2077	7 +0%	7 +0%
Dota 2	35 +0%	35 +0%
Far Cry 5	29 +0%	29 +0%
Fortnite	40−45 +0%	40−45 +0%
Forza Horizon 4	33 +0%	33 +0%
Forza Horizon 5	16−18 +0%	16−18 +0%
Grand Theft Auto V	25 +0%	25 +0%
Metro Exodus	20 +0%	20 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	55−60 +0%	55−60 +0%
Red Dead Redemption 2	20−22 +0%	20−22 +0%
The Witcher 3: Wild Hunt	21−24 +0%	21−24 +0%
Valorant	19 +0%	19 +0%
World of Tanks	100−110 +0%	100−110 +0%

Full HD
Ultra Preset

Battlefield 5	21−24 +0%	21−24 +0%
Counter-Strike 2	9 +0%	9 +0%
Cyberpunk 2077	14−16 +0%	14−16 +0%
Dota 2	48 +0%	48 +0%
Far Cry 5	30−35 +0%	30−35 +0%
Forza Horizon 4	28 +0%	28 +0%
Forza Horizon 5	16−18 +0%	16−18 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	55−60 +0%	55−60 +0%
Valorant	24−27 +0%	24−27 +0%

1440p
High Preset

Dota 2	8−9 +0%	8−9 +0%
Grand Theft Auto V	8−9 +0%	8−9 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	35−40 +0%	35−40 +0%
Red Dead Redemption 2	5−6 +0%	5−6 +0%
World of Tanks	50−55 +0%	50−55 +0%

1440p
Ultra Preset

Battlefield 5	12−14 +0%	12−14 +0%
Counter-Strike 2	30−35 +0%	30−35 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	14−16 +0%	14−16 +0%
Forza Horizon 4	12−14 +0%	12−14 +0%
Forza Horizon 5	10−11 +0%	10−11 +0%
Metro Exodus	10−11 +0%	10−11 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Valorant	18−20 +0%	18−20 +0%

4K
High Preset

Counter-Strike 2	1−2 +0%	1−2 +0%
Dota 2	18−20 +0%	18−20 +0%
Grand Theft Auto V	16−18 +0%	16−18 +0%
Metro Exodus	2−3 +0%	2−3 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	20−22 +0%	20−22 +0%
Red Dead Redemption 2	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	16−18 +0%	16−18 +0%

4K
Ultra Preset

Battlefield 5	6−7 +0%	6−7 +0%
Counter-Strike 2	1−2 +0%	1−2 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Dota 2	18−20 +0%	18−20 +0%
Far Cry 5	8−9 +0%	8−9 +0%
Fortnite	6−7 +0%	6−7 +0%
Forza Horizon 4	8−9 +0%	8−9 +0%
Forza Horizon 5	4−5 +0%	4−5 +0%
Valorant	6−7 +0%	6−7 +0%

This is how GTX 775M Mac Edition and Radeon 660M compete in popular games:

Radeon 660M is 140% faster in 1080p

All in all, in popular games:

there's a draw in 64 tests (100%)

Pros & cons summary

Performance score	3.38	6.89
Recency	8 November 2013	3 January 2023
Chip lithography	28 nm	6 nm
Power consumption (TDP)	100 Watt	40 Watt

Radeon 660M has a 103.8% higher aggregate performance score, an age advantage of 9 years, a 366.7% more advanced lithography process, and 150% lower power consumption.

The Radeon 660M is our recommended choice as it beats the GeForce GTX 775M 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.