GeForce GTX 680MX vs Radeon HD 7990
When choosing between GeForce GTX 680MX and Radeon HD 7990, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 680MX and Radeon HD 7990.
GeForce GTX 680MX is a Laptop Graphics Card
Note: GeForce GTX 680MX 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 GTX 680MX here:
Main Specs
GeForce GTX 680MX
Radeon HD 7990
Power consumption (TDP)
122 Watt
375 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 207% more power consumption, than GeForce GTX 680MX.
Radeon HD 7990 has 1 GB more memory, than GeForce GTX 680MX.
GeForce GTX 680MX is used in Laptops, and Radeon HD 7990 - in Desktops.
GeForce GTX 680MX is build with Kepler architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 230 MHz higher, than GeForce GTX 680MX.
GeForce GTX 680MX and Radeon HD 7990 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 3500 MHz higher, than GeForce GTX 680MX.
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
21−24
35−40
ultra / 1080p
12−14
21−24
QHD / 1440p
7−8
16−18
4K / 2160p
5−6
10−11
low / 720p
40−45
60−65
medium / 1080p
27−30
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 68% more, than GeForce GTX 680MX.
high / 1080p
35−40
55−60
ultra / 1080p
30−33
45−50
QHD / 1440p
14−16
35−40
4K / 2160p
9−10
18−20
low / 720p
70−75
100−110
medium / 1080p
40−45
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 58% more, than GeForce GTX 680MX.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 680MX and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
250−260
medium / 768p
200−210
220−230
ultra / 1080p
120−130
180−190
QHD / 1440p
100−110
110−120
4K / 2160p
55−60
70−75
high / 768p
170−180
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 18% more, than GeForce GTX 680MX.
low / 768p
60−65
60−65
ultra / 1080p
50−55
−
medium / 1080p
55−60
55−60
GeForce GTX 680MX and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
80−85
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 7% more, than GeForce GTX 680MX.
high / 1080p
27−30
45−50
ultra / 1080p
24−27
40−45
QHD / 1440p
20−22
27−30
4K / 2160p
8−9
14−16
low / 720p
55−60
80−85
medium / 1080p
27−30
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 53% more, than GeForce GTX 680MX.
high / 1080p
35−40
60−65
ultra / 1080p
27−30
45−50
QHD / 1440p
16−18
27−30
4K / 2160p
−
27−30
low / 720p
130−140
180−190
medium / 1080p
75−80
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 47% more, than GeForce GTX 680MX.
high / 1080p
35−40
60−65
ultra / 1080p
27−30
45−50
QHD / 1440p
16−18
30−35
4K / 2160p
14−16
24−27
low / 720p
70−75
100−110
medium / 1080p
40−45
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 60% more, than GeForce GTX 680MX.
low / 768p
100−110
140−150
medium / 768p
95−100
120−130
high / 1080p
40−45
70−75
ultra / 1080p
18−20
30−35
QHD / 1440p
8−9
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 46% more, than GeForce GTX 680MX.
high / 1080p
14−16
24−27
ultra / 1080p
10−12
20−22
QHD / 1440p
10−12
16−18
4K / 2160p
3−4
8−9
low / 720p
40−45
65−70
medium / 1080p
18−20
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 64% more, than GeForce GTX 680MX.
low / 768p
120−130
130−140
medium / 1080p
110−120
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 8% more, than GeForce GTX 680MX.
ultra / 1080p
14−16
14−16
low / 720p
75−80
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 24% more, than GeForce GTX 680MX.
high / 1080p
16−18
24−27
ultra / 1080p
10−12
16−18
QHD / 1440p
2−3
10−11
4K / 2160p
2−3
7−8
low / 720p
40−45
65−70
medium / 1080p
21−24
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 68% more, than GeForce GTX 680MX.
low / 768p
80−85
130−140
medium / 768p
50−55
85−90
high / 1080p
27−30
45−50
ultra / 1080p
14−16
24−27
4K / 2160p
9−10
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 67% more, than GeForce GTX 680MX.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
50−55
high / 768p
55−60
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 6% more, than GeForce GTX 680MX.
Full Specs
GeForce GTX 680MX
Radeon HD 7990
Architecture
Kepler
GCN 1.0
Code name
Malta
Type
Laptop
Desktop
Release date
23 October 2012
24 April 2013
Pipelines
1536
2048
Core clock speed
720 MHz
950 MHz
Boost Clock
1000 MHz
Transistor count
3540 Million
4,313 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
92.2 billion/sec
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
256 Bit
384 Bit
Memory clock speed
2500 MHz
6000 MHz
Memory bandwidth
160 GB/s
288.0 GB/s
Shared memory
-
DirectX
12 API
12 (11_1)
Shader Model
5.1
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.2.131
CUDA
+
CUDA cores
1536
Bus support
PCI Express 3.0
SLI options
+
3D Vision
+
Bitcoin / BTC (SHA256)
57 Mh/s
459 Mh/s
Laptop size
large
Optimus
+
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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