Iris Plus Graphics 640 vs GeForce GTX 780M Mac Edition

Place in the ranking	564	706
Place by popularity	not in top-100	not in top-100
Power efficiency	3.79	17.76
Architecture	Kepler (2012−2018)	Generation 9.5 (2016−2020)
GPU code name	GK104	Kaby Lake GT3e
Market segment	Laptop	Laptop
Release date	8 November 2013 (11 years ago)	3 January 2017 (8 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	1536	384
Core clock speed	771 MHz	300 MHz
Boost clock speed	797 MHz	1100 MHz
Number of transistors	3,540 million	189 million
Manufacturing process technology	28 nm	14 nm++
Power consumption (TDP)	122 Watt	15 Watt
Texture fill rate	102.0	52.80
Floating-point processing power	2.448 TFLOPS	0.8448 TFLOPS
ROPs	32	6
TMUs	128	48

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)

Ring Bus

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	DDR3L/LPDDR3/DDR4
Maximum RAM amount	4 GB	32 GB
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

Supported technologies

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

Quick Sync

no data

API compatibility

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

DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	3.0
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

30−35
+57.9%

−57.9%

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	9−10 +0%	9−10 +0%

Full HD
Medium Preset

Battlefield 5	10−12 +0%	10−12 +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	6−7 +0%	6−7 +0%

Full HD
High Preset

Battlefield 5	10−12 +0%	10−12 +0%
Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Dota 2	13 +0%	13 +0%
Elden Ring	9−10 +0%	9−10 +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	6 +0%	6 +0%
Metro Exodus	8−9 +0%	8−9 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	33 +0%	33 +0%
Red Dead Redemption 2	12−14 +0%	12−14 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Valorant	6−7 +0%	6−7 +0%
World of Tanks	65−70 +0%	65−70 +0%

Full HD
Ultra Preset

Battlefield 5	10−12 +0%	10−12 +0%
Counter-Strike 2	10−12 +0%	10−12 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Dota 2	21 +0%	21 +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	6−7 +0%	6−7 +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	4−5 +0%	4−5 +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	2−3 +0%	2−3 +0%
Valorant	4−5 +0%	4−5 +0%

This is how GTX 780M Mac Edition and Iris Plus Graphics 640 compete in popular games:

GTX 780M Mac Edition is 58% faster in 1080p

All in all, in popular games:

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

Pros & cons summary

Performance score	6.72	3.87
Recency	8 November 2013	3 January 2017
Maximum RAM amount	4 GB	32 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	122 Watt	15 Watt

GTX 780M Mac Edition has a 73.6% higher aggregate performance score.

Iris Plus Graphics 640, on the other hand, has an age advantage of 3 years, a 700% higher maximum VRAM amount, a 100% more advanced lithography process, and 713.3% lower power consumption.

The GeForce GTX 780M Mac Edition is our recommended choice as it beats the Iris Plus Graphics 640 in performance tests.

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