GeForce GTX 660M Mac Edition vs Iris Graphics 6100

Place in the ranking	859	976
Place by popularity	not in top-100	not in top-100
Power efficiency	10.70	2.16
Architecture	Generation 8.0 (2014−2015)	Kepler (2012−2018)
GPU code name	Broadwell GT3	GK107
Market segment	Laptop	Laptop
Release date	5 January 2015 (10 years ago)	1 April 2013 (11 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	384
Core clock speed	300 MHz	950 MHz
Boost clock speed	1000 MHz	no data
Number of transistors	189 million	1,270 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	15 Watt	50 Watt
Texture fill rate	48.00	30.40
Floating-point processing power	0.768 TFLOPS	0.7296 TFLOPS
ROPs	6	16
TMUs	48	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	Ring Bus	MXM-B (3.0)
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	System Shared	GDDR5
Maximum RAM amount	System Shared	512 MB
Memory bus width	System Shared	128 Bit
Memory clock speed	System Shared	1250 MHz
Memory bandwidth	no data	80 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

Portable Device Dependent

No outputs

Supported technologies

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

Quick Sync

no data

API and SDK compatibility

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

DirectX	12 (11_1)	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.4	4.6
OpenCL	3.0	1.2
Vulkan	+	1.1.126
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

13
+62.5%

8−9

−62.5%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	10−12 +57.1%	7−8 −57.1%
Cyberpunk 2077	6−7 +50%	4−5 −50%

Full HD
Medium Preset

Battlefield 5	5−6 +66.7%	3−4 −66.7%
Counter-Strike 2	10−12 +57.1%	7−8 −57.1%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Forza Horizon 4	12−14 +50%	8−9 −50%
Forza Horizon 5	1−2	0−1
Metro Exodus	3−4 +50%	2−3 −50%
Red Dead Redemption 2	9−10 +50%	6−7 −50%
Valorant	0−1	0−1

Full HD
High Preset

Battlefield 5	5−6 +66.7%	3−4 −66.7%
Counter-Strike 2	10−12 +57.1%	7−8 −57.1%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Dota 2	7 +75%	4−5 −75%
Far Cry 5	14−16 +50%	10−11 −50%
Fortnite	12−14 +50%	8−9 −50%
Forza Horizon 4	12−14 +50%	8−9 −50%
Forza Horizon 5	1−2	0−1
Grand Theft Auto V	5−6 +66.7%	3−4 −66.7%
Metro Exodus	3−4 +50%	2−3 −50%
PLAYERUNKNOWN'S BATTLEGROUNDS	12 +50%	8−9 −50%
Red Dead Redemption 2	9−10 +50%	6−7 −50%
The Witcher 3: Wild Hunt	9−10 +50%	6−7 −50%
Valorant	0−1	0−1
World of Tanks	33 +57.1%	21−24 −57.1%

Full HD
Ultra Preset

Battlefield 5	5−6 +66.7%	3−4 −66.7%
Counter-Strike 2	10−12 +57.1%	7−8 −57.1%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Dota 2	18 +50%	12−14 −50%
Far Cry 5	14−16 +50%	10−11 −50%
Forza Horizon 4	12−14 +50%	8−9 −50%
Forza Horizon 5	1−2	0−1
PLAYERUNKNOWN'S BATTLEGROUNDS	21−24 +57.1%	14−16 −57.1%
Valorant	0−1	0−1

1440p
High Preset

Dota 2	0−1	0−1
Grand Theft Auto V	1−2	0−1
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 +50%	10−11 −50%
Red Dead Redemption 2	1−2	0−1
World of Tanks	14−16 +50%	10−11 −50%

1440p
Ultra Preset

Battlefield 5	1−2	0−1
Cyberpunk 2077	4−5 +100%	2−3 −100%
Far Cry 5	6−7 +50%	4−5 −50%
Forza Horizon 5	2−3 +100%	1−2 −100%
The Witcher 3: Wild Hunt	5−6 +66.7%	3−4 −66.7%
Valorant	8−9 +60%	5−6 −60%

4K
High Preset

Dota 2	16−18 +60%	10−11 −60%
Grand Theft Auto V	14−16 +50%	10−11 −50%
PLAYERUNKNOWN'S BATTLEGROUNDS	6−7 +50%	4−5 −50%
Red Dead Redemption 2	1−2	0−1
The Witcher 3: Wild Hunt	14−16 +50%	10−11 −50%

4K
Ultra Preset

Battlefield 5	2−3 +100%	1−2 −100%
Cyberpunk 2077	2−3 +100%	1−2 −100%
Dota 2	16−18 +60%	10−11 −60%
Far Cry 5	2−3 +100%	1−2 −100%
Fortnite	1−2	0−1
Forza Horizon 5	0−1	0−1
Valorant	2−3 +100%	1−2 −100%

This is how Iris Graphics 6100 and GTX 660M Mac Edition compete in popular games:

Iris Graphics 6100 is 63% faster in 1080p

Pros & cons summary

Performance score	2.24	1.51
Recency	5 January 2015	1 April 2013
Chip lithography	14 nm	28 nm
Power consumption (TDP)	15 Watt	50 Watt

Iris Graphics 6100 has a 48.3% higher aggregate performance score, an age advantage of 1 year, a 100% more advanced lithography process, and 233.3% lower power consumption.

The Iris Graphics 6100 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.