GeForce Go 7900 GTX vs 940M

Place in the ranking	784	1169
Place by popularity	not in top-100	not in top-100
Power efficiency	6.17	1.08
Architecture	Maxwell (2014−2017)	Curie (2003−2013)
GPU code name	GM108	G71
Market segment	Laptop	Laptop
Release date	13 March 2015 (9 years ago)	18 April 2006 (18 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	32
Core clock speed	1072 MHz	500 MHz
Boost clock speed	1176 MHz	500 MHz
Number of transistors	1,870 million	278 million
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	75 Watt	45 Watt
Texture fill rate	28.22	12.00
Floating-point processing power	0.9032 TFLOPS	no data
ROPs	8	16
TMUs	24	24

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).

Laptop size	medium sized	large
Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x8	PCIe 1.0 x16
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	DDR3	GDDR3
Maximum RAM amount	2 GB	512 MB
Memory bus width	64 Bit	256 Bit
Memory clock speed	900 MHz	600 MHz
Memory bandwidth	14.4 GB/s	38.4 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

Supported technologies

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

GPU Boost	2.0	no data
Optimus	+	-
GameWorks	+	-

API compatibility

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

DirectX	12 (11_0)	9.0c (9_3)
Shader Model	5.1	3.0
OpenGL	4.5	2.1
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	+	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GeForce 940M 2.92
+317%

Go 7900 GTX 0.70

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

GeForce 940M 1125
+317%

Go 7900 GTX 270

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	18 +350%	4−5 −350%
4K	29 +383%	6−7 −383%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7
+100%

3−4

−100%

Full HD
Medium Preset

Assassin's Creed Odyssey	9−10 +125%	4−5 −125%
Assassin's Creed Valhalla	1−2	0−1
Battlefield 5	15 +400%	3−4 −400%
Call of Duty: Modern Warfare	10 +233%	3−4 −233%
Cyberpunk 2077	6−7 +100%	3−4 −100%
Far Cry 5	12 +500%	2−3 −500%
Far Cry New Dawn	15 +1400%	1−2 −1400%
Forza Horizon 4	41 +356%	9−10 −356%
Hitman 3	8−9 +60%	5−6 −60%
Horizon Zero Dawn	21−24 +100%	10−12 −100%
Metro Exodus	3−4	0−1
Red Dead Redemption 2	14	0−1
Shadow of the Tomb Raider	21 +250%	6−7 −250%
Watch Dogs: Legion	35−40 +25.8%	30−35 −25.8%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 +125%	4−5 −125%
Assassin's Creed Valhalla	1−2	0−1
Battlefield 5	5−6 +400%	1−2 −400%
Call of Duty: Modern Warfare	7−8 +133%	3−4 −133%
Cyberpunk 2077	6−7 +100%	3−4 −100%
Far Cry 5	10 +400%	2−3 −400%
Far Cry New Dawn	8−9 +700%	1−2 −700%
Forza Horizon 4	34 +325%	8−9 −325%
Hitman 3	8−9 +60%	5−6 −60%
Horizon Zero Dawn	21−24 +100%	10−12 −100%
Metro Exodus	3−4	0−1
Red Dead Redemption 2	7−8	0−1
Shadow of the Tomb Raider	12−14 +100%	6−7 −100%
The Witcher 3: Wild Hunt	24 +140%	10−11 −140%
Watch Dogs: Legion	35−40 +25.8%	30−35 −25.8%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 +125%	4−5 −125%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	7−8 +133%	3−4 −133%
Cyberpunk 2077	6−7 +100%	3−4 −100%
Far Cry 5	8 +700%	1−2 −700%
Forza Horizon 4	14−16 +400%	3−4 −400%
Hitman 3	8−9 +60%	5−6 −60%
Horizon Zero Dawn	21−24 +100%	10−12 −100%
Shadow of the Tomb Raider	12−14 +100%	6−7 −100%
The Witcher 3: Wild Hunt	6 −66.7%	10−11 +66.7%
Watch Dogs: Legion	35−40 +25.8%	30−35 −25.8%

Full HD
Epic Preset

Red Dead Redemption 2

0−1

1440p
High Preset

Battlefield 5	5−6 +400%	1−2 −400%
Far Cry New Dawn	4−5 +300%	1−2 −300%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3	0−1
Call of Duty: Modern Warfare	2−3	0−1
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	3−4 +200%	1−2 −200%
Hitman 3	8−9 +33.3%	6−7 −33.3%
Horizon Zero Dawn	7−8 +133%	3−4 −133%
The Witcher 3: Wild Hunt	2−3	0−1
Watch Dogs: Legion	16−18 +750%	2−3 −750%

1440p
Epic Preset

Red Dead Redemption 2

6−7
+100%

3−4

−100%

4K
High Preset

Battlefield 5	1−2	0−1
Far Cry New Dawn	2−3	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +100%	1−2 −100%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Far Cry 5	1−2	0−1
Forza Horizon 4	0−1	0−1
Watch Dogs: Legion	1−2	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5
+100%

2−3

−100%

This is how GeForce 940M and Go 7900 GTX compete in popular games:

GeForce 940M is 350% faster in 1080p
GeForce 940M is 383% faster in 4K

Here's the range of performance differences observed across popular games:

in Far Cry New Dawn, with 1080p resolution and the Medium Preset, the GeForce 940M is 1400% faster.
in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the Go 7900 GTX is 67% faster.

All in all, in popular games:

GeForce 940M is ahead in 33 tests (94%)
Go 7900 GTX is ahead in 1 test (3%)
there's a draw in 1 test (3%)

Pros & cons summary

Performance score	2.92	0.70
Recency	13 March 2015	18 April 2006
Maximum RAM amount	2 GB	512 MB
Chip lithography	28 nm	90 nm
Power consumption (TDP)	75 Watt	45 Watt

GeForce 940M has a 317.1% higher aggregate performance score, an age advantage of 8 years, a 300% higher maximum VRAM amount, and a 221.4% more advanced lithography process.

Go 7900 GTX, on the other hand, has 66.7% lower power consumption.

The GeForce 940M is our recommended choice as it beats the GeForce Go 7900 GTX in performance tests.

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