GeForce GTX 660M Mac Edition vs Radeon HD 7970M

Place in performance ranking	443	923
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.71	0.04
Architecture	GCN (2011−2017)	Kepler (2012−2018)
GPU code name	Wimbledon XT	GK107
Market segment	Laptop	Desktop
Release date	1 May 2012 (12 years ago)	1 April 2013 (11 years ago)
Current price	$338	$149

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 7970M has 9175% better value for money than GTX 660M Mac Edition.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. 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	850 MHz	950 MHz
Number of transistors	2,800 million	1,270 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	100 Watt	50 Watt
Texture fill rate	68.00	30.40
Floating-point performance	2,176 gflops	729.6 gflops

Form factor & compatibility

Information on Radeon HD 7970M and GeForce GTX 660M Mac Edition compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	large	no data
Interface	MXM-B (3.0)	MXM-B (3.0)
Width	no data	MXM Module
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	2 GB	512 MB
Memory bus width	256 Bit	128 Bit
Memory clock speed	4800 MHz	5000 MHz
Memory bandwidth	153.6 GB/s	80 GB/s
Shared memory	-	no data

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 graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_1)	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.2.131	1.1.126
CUDA	no data	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:

900p	84 +500%	14−16 −500%
Full HD	60 +500%	10−12 −500%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

14−16

+600%

2−3
−600%

Full HD
Medium Preset

Assassin's Creed Odyssey	18−20 +533%	3−4 −533%
Assassin's Creed Valhalla	12−14 +550%	2−3 −550%
Battlefield 5	30−35 +520%	5−6 −520%
Call of Duty: Modern Warfare	24−27 +525%	4−5 −525%
Cyberpunk 2077	14−16 +600%	2−3 −600%
Far Cry 5	21−24 +633%	3−4 −633%
Far Cry New Dawn	24−27 +500%	4−5 −500%
Forza Horizon 4	30−35 +540%	5−6 −540%
Hitman 3	21−24 +667%	3−4 −667%
Horizon Zero Dawn	18−20 +500%	3−4 −500%
Red Dead Redemption 2	16−18 +700%	2−3 −700%
Shadow of the Tomb Raider	20−22 +567%	3−4 −567%
Watch Dogs: Legion	16−18 +700%	2−3 −700%

Full HD
High Preset

Assassin's Creed Odyssey	18−20 +533%	3−4 −533%
Assassin's Creed Valhalla	12−14 +550%	2−3 −550%
Battlefield 5	30−35 +520%	5−6 −520%
Call of Duty: Modern Warfare	24−27 +525%	4−5 −525%
Cyberpunk 2077	14−16 +600%	2−3 −600%
Far Cry 5	21−24 +633%	3−4 −633%
Far Cry New Dawn	24−27 +500%	4−5 −500%
Forza Horizon 4	30−35 +540%	5−6 −540%
Hitman 3	21−24 +667%	3−4 −667%
Horizon Zero Dawn	18−20 +500%	3−4 −500%
Metro Exodus	12−14 +550%	2−3 −550%
Red Dead Redemption 2	16−18 +700%	2−3 −700%
Shadow of the Tomb Raider	20−22 +567%	3−4 −567%
The Witcher 3: Wild Hunt	18−20 +533%	3−4 −533%
Watch Dogs: Legion	16−18 +700%	2−3 −700%

Full HD
Ultra Preset

Assassin's Creed Odyssey	18−20 +533%	3−4 −533%
Assassin's Creed Valhalla	12−14 +550%	2−3 −550%
Battlefield 5	30−35 +520%	5−6 −520%
Cyberpunk 2077	14−16 +600%	2−3 −600%
Far Cry 5	21−24 +633%	3−4 −633%
Far Cry New Dawn	24−27 +500%	4−5 −500%
Forza Horizon 4	30−35 +540%	5−6 −540%
The Witcher 3: Wild Hunt	18−20 +533%	3−4 −533%
Watch Dogs: Legion	16−18 +700%	2−3 −700%

1440p
High Preset

Call of Duty: Modern Warfare	12−14 +550%	2−3 −550%
Hitman 3	14−16 +600%	2−3 −600%
Horizon Zero Dawn	14−16 +650%	2−3 −650%
Metro Exodus	7−8 +600%	1−2 −600%
Red Dead Redemption 2	6−7 +500%	1−2 −500%
Shadow of the Tomb Raider	12−14 +500%	2−3 −500%

1440p
Ultra Preset

Assassin's Creed Odyssey	8−9 +700%	1−2 −700%
Assassin's Creed Valhalla	5−6	0−1
Battlefield 5	14−16 +600%	2−3 −600%
Cyberpunk 2077	4−5	0−1
Far Cry 5	14−16 +600%	2−3 −600%
Far Cry New Dawn	14−16 +600%	2−3 −600%
Forza Horizon 4	16−18 +700%	2−3 −700%
The Witcher 3: Wild Hunt	8−9 +700%	1−2 −700%
Watch Dogs: Legion	4−5	0−1

4K
High Preset

Call of Duty: Modern Warfare	6−7 +500%	1−2 −500%
Hitman 3	8−9 +700%	1−2 −700%
Horizon Zero Dawn	8−9 +700%	1−2 −700%
Metro Exodus	3−4	0−1
Red Dead Redemption 2	5−6	0−1
Shadow of the Tomb Raider	4−5	0−1
The Witcher 3: Wild Hunt	6−7 +500%	1−2 −500%

4K
Ultra Preset

Assassin's Creed Odyssey	5−6	0−1
Assassin's Creed Valhalla	4−5	0−1
Battlefield 5	7−8 +600%	1−2 −600%
Cyberpunk 2077	1−2	0−1
Far Cry 5	7−8 +600%	1−2 −600%
Far Cry New Dawn	10−11 +900%	1−2 −900%
Forza Horizon 4	10−12 +1000%	1−2 −1000%
Watch Dogs: Legion	2−3	0−1