GeForce GTX 675M SLI vs Radeon HD 7990
If you are going to buy a new graphics card and are choosing between GeForce GTX 675M SLI and Radeon HD 7990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 675M SLI stacks up against Radeon HD 7990, check out specs charts below.
GeForce GTX 675M SLI is a Laptop Graphics Card
Note: GeForce GTX 675M SLI 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 675M SLI here:
Main Specs
GeForce GTX 675M SLI
Radeon HD 7990
Power consumption (TDP)
2x 100 Watt
375 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 18650% more power consumption, than GeForce GTX 675M SLI.
GeForce GTX 675M SLI is used in Laptops, and Radeon HD 7990 - in Desktops.
GeForce GTX 675M SLI is build with Fermi architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 330 MHz higher, than GeForce GTX 675M SLI.
GeForce GTX 675M SLI is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 3000 MHz higher, than GeForce GTX 675M SLI.
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
18−20
35−40
ultra / 1080p
10−12
21−24
QHD / 1440p
5−6
16−18
4K / 2160p
4−5
10−11
low / 720p
35−40
60−65
medium / 1080p
24−27
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 88% more, than GeForce GTX 675M SLI.
high / 1080p
30−33
55−60
ultra / 1080p
24−27
45−50
QHD / 1440p
10−11
35−40
4K / 2160p
7−8
18−20
low / 720p
60−65
100−110
medium / 1080p
30−35
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 92% more, than GeForce GTX 675M SLI.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 675M SLI and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
220−230
250−260
medium / 768p
190−200
220−230
ultra / 1080p
110−120
180−190
QHD / 1440p
80−85
110−120
4K / 2160p
40−45
70−75
high / 768p
160−170
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 29% more, than GeForce GTX 675M SLI.
low / 768p
60−65
60−65
ultra / 1080p
45−50
−
medium / 1080p
55−60
55−60
GeForce GTX 675M SLI and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
110−120
120−130
medium / 768p
100−110
110−120
ultra / 1080p
75−80
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 16% more, than GeForce GTX 675M SLI.
high / 1080p
21−24
45−50
ultra / 1080p
21−24
40−45
QHD / 1440p
18−20
27−30
4K / 2160p
7−8
14−16
low / 720p
50−55
80−85
medium / 1080p
24−27
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 79% more, than GeForce GTX 675M SLI.
high / 1080p
30−35
60−65
ultra / 1080p
21−24
45−50
QHD / 1440p
14−16
27−30
4K / 2160p
−
27−30
low / 720p
110−120
180−190
medium / 1080p
65−70
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 74% more, than GeForce GTX 675M SLI.
high / 1080p
30−35
60−65
ultra / 1080p
24−27
45−50
QHD / 1440p
12−14
30−35
4K / 2160p
12−14
24−27
low / 720p
65−70
100−110
medium / 1080p
35−40
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 80% more, than GeForce GTX 675M SLI.
low / 768p
100−105
140−150
medium / 768p
90−95
120−130
high / 1080p
35−40
70−75
ultra / 1080p
14−16
30−35
QHD / 1440p
6−7
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 58% more, than GeForce GTX 675M SLI.
high / 1080p
12−14
24−27
ultra / 1080p
9−10
20−22
QHD / 1440p
−
16−18
4K / 2160p
2−3
8−9
low / 720p
35−40
65−70
medium / 1080p
16−18
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 106% more, than GeForce GTX 675M SLI.
low / 768p
110−120
130−140
medium / 1080p
110−120
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 13% more, than GeForce GTX 675M SLI.
ultra / 1080p
14−16
14−16
low / 720p
65−70
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 39% more, than GeForce GTX 675M SLI.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
16−18
QHD / 1440p
1−2
10−11
4K / 2160p
0−1
7−8
low / 720p
35−40
65−70
medium / 1080p
20−22
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 82% more, than GeForce GTX 675M SLI.
low / 768p
70−75
130−140
medium / 768p
40−45
85−90
high / 1080p
24−27
45−50
ultra / 1080p
12−14
24−27
4K / 2160p
7−8
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 93% more, than GeForce GTX 675M SLI.
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 675M SLI.
Full Specs
GeForce GTX 675M SLI
Radeon HD 7990
Architecture
Fermi
GCN 1.0
Code name
N12E-GTX2
Malta
Type
Laptop
Desktop
Release date
6 January 2011
24 April 2013
Pipelines
768
2048
Core clock speed
620 MHz
950 MHz
Boost Clock
1000 MHz
Transistor count
4,313 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
256 Bit
384 Bit
Memory clock speed
3000 MHz
6000 MHz
Memory bandwidth
288.0 GB/s
Shared memory
-
DirectX
DirectX 11, Shader 5.0
12 (11_1)
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
CUDA
+
SLI options
+
Bitcoin / BTC (SHA256)
459 Mh/s
Laptop size
large
Optimus
+
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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