GeForce 940M vs Radeon HD 7990
In this comparison between GeForce 940M and Radeon HD 7990 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 940M will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.
GeForce 940M is a Laptop Graphics Card
Note: GeForce 940M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce 940M here:
Main Specs
GeForce 940M
Radeon HD 7990
Power consumption (TDP)
75 Watt
375 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
3 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 400% more power consumption, than GeForce 940M.
GeForce 940M is connected by PCIe 3.0 x8, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
GeForce 940M has 1 GB more memory, than Radeon HD 7990.
GeForce 940M is used in Laptops, and Radeon HD 7990 - in Desktops.
GeForce 940M is build with Maxwell architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of GeForce 940M is 122 MHz higher, than Radeon HD 7990.
GeForce 940M and Radeon HD 7990 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 4000 MHz higher, than GeForce 940M.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
2−3
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
12−14
60−65
medium / 1080p
4−5
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 720% more, than GeForce 940M.
high / 1080p
6−7
55−60
ultra / 1080p
4−5
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
16−18
100−110
medium / 1080p
6−7
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 750% more, than GeForce 940M.
low / 768p
50−55
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
GeForce 940M and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
250−260
medium / 768p
90−95
220−230
ultra / 1080p
40−45
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
18−20
70−75
high / 768p
65−70
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 185% more, than GeForce 940M.
low / 768p
70−75
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
GeForce 940M and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
120−130
medium / 768p
50−55
110−120
ultra / 1080p
24−27
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 130% more, than GeForce 940M.
high / 1080p
3−4
45−50
ultra / 1080p
3−4
40−45
QHD / 1440p
−
27−30
4K / 2160p
2−3
14−16
low / 720p
12−14
80−85
medium / 1080p
4−5
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 840% more, than GeForce 940M.
high / 1080p
10−11
60−65
ultra / 1080p
5−6
45−50
QHD / 1440p
2−3
27−30
4K / 2160p
−
27−30
low / 720p
50−55
180−190
medium / 1080p
12−14
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 443% more, than GeForce 940M.
high / 1080p
7−8
60−65
ultra / 1080p
6−7
45−50
QHD / 1440p
2−3
30−35
4K / 2160p
−
24−27
low / 720p
20−22
100−110
medium / 1080p
9−10
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 600% more, than GeForce 940M.
low / 768p
45−50
140−150
medium / 768p
35−40
120−130
high / 1080p
6−7
70−75
ultra / 1080p
3−4
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 304% more, than GeForce 940M.
high / 1080p
1−2
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
6−7
65−70
medium / 1080p
3−4
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 1266% more, than GeForce 940M.
low / 768p
90−95
130−140
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 41% more, than GeForce 940M.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
100−110
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than GeForce 940M.
high / 1080p
−
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
5−6
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 740% more, than GeForce 940M.
low / 768p
14−16
130−140
medium / 768p
10−11
85−90
high / 1080p
5−6
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 785% more, than GeForce 940M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
14−16
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 63% more, than GeForce 940M.
Full Specs
GeForce 940M
Radeon HD 7990
Architecture
Maxwell
GCN 1.0
Code name
N16S-GT-S/B
Malta
Type
Laptop
Desktop
Release date
12 March 2015
24 April 2013
Pipelines
384
2048
Core clock speed
1072 MHz
950 MHz
Boost Clock
1176 MHz
1000 MHz
Transistor count
1,870 million
4,313 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.22
128.0
Floating-point performance
903.2 gflops
2x 4,096 gflops
Length
307 mm
Memory bus width
64 Bit
384 Bit
Memory clock speed
2000 MHz
6000 MHz
Memory bandwidth
14.4 GB/s
288.0 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
+
Bus support
PCI Express 3.0
Bitcoin / BTC (SHA256)
101 Mh/s
459 Mh/s
Laptop size
medium sized
Optimus
+
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
GPU Boost
2.0
GameWorks
+
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