GeForce GTX 675MX vs Radeon HD 6990M Crossfire
When choosing between GeForce GTX 675MX and Radeon HD 6990M Crossfire, 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 675MX and Radeon HD 6990M Crossfire.
GeForce GTX 675MX and Radeon HD 6990M Crossfire are Laptop Graphics Cards
Note: GeForce GTX 675MX and Radeon HD 6990M Crossfire are only used in laptop graphics. They have 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 675MX or Radeon HD 6990M Crossfire here:
Main Specs
GeForce GTX 675MX
Radeon HD 6990M Crossfire
Power consumption (TDP)
100 Watt
Interface
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2x2 GB
Display Connectors
No outputs
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GeForce GTX 675MX and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
Both cards are used in Laptops.
GeForce GTX 675MX is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 6990M Crossfire is 115 MHz higher, than GeForce GTX 675MX.
GeForce GTX 675MX is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of GeForce GTX 675MX is 900 MHz higher, than Radeon HD 6990M Crossfire.
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
9−10
35−40
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
21−24
60−65
medium / 1080p
12−14
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 241% more, than GeForce GTX 675MX.
high / 1080p
16−18
55−60
ultra / 1080p
14−16
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
30−35
100−110
medium / 1080p
16−18
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 240% more, than GeForce GTX 675MX.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than GeForce GTX 675MX.
low / 768p
160−170
250−260
medium / 768p
130−140
220−230
ultra / 1080p
70−75
180−190
QHD / 1440p
40−45
110−120
4K / 2160p
30−33
70−75
high / 768p
100−110
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 94% more, than GeForce GTX 675MX.
low / 768p
55−60
60−65
ultra / 1080p
27−30
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 15% more, than GeForce GTX 675MX.
low / 768p
90−95
120−130
medium / 768p
70−75
110−120
ultra / 1080p
45−50
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 64% more, than GeForce GTX 675MX.
high / 1080p
10−12
45−50
ultra / 1080p
10−11
40−45
QHD / 1440p
−
27−30
4K / 2160p
4−5
14−16
low / 720p
24−27
80−85
medium / 1080p
12−14
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 291% more, than GeForce GTX 675MX.
high / 1080p
18−20
60−65
ultra / 1080p
12−14
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
70−75
180−190
medium / 1080p
30−35
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 200% more, than GeForce GTX 675MX.
high / 1080p
16−18
60−65
ultra / 1080p
14−16
45−50
QHD / 1440p
4−5
30−35
4K / 2160p
−
24−27
low / 720p
35−40
100−110
medium / 1080p
18−20
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 250% more, than GeForce GTX 675MX.
low / 768p
65−70
140−150
medium / 768p
55−60
120−130
high / 1080p
18−20
70−75
ultra / 1080p
8−9
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 144% more, than GeForce GTX 675MX.
high / 1080p
6−7
24−27
ultra / 1080p
4−5
20−22
QHD / 1440p
−
16−18
4K / 2160p
1−2
8−9
low / 720p
18−20
65−70
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 287% more, than GeForce GTX 675MX.
low / 768p
100−110
130−140
ultra / 1080p
90−95
−
medium / 1080p
95−100
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 28% more, than GeForce GTX 675MX.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
40−45
100−110
medium / 1080p
20−22
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 76% more, than GeForce GTX 675MX.
high / 1080p
12−14
24−27
ultra / 1080p
8−9
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
18−20
65−70
medium / 1080p
12−14
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 176% more, than GeForce GTX 675MX.
low / 768p
35−40
130−140
medium / 768p
21−24
85−90
high / 1080p
12−14
45−50
ultra / 1080p
8−9
24−27
4K / 2160p
7−8
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 264% more, than GeForce GTX 675MX.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
50−55
high / 768p
40−45
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 26% more, than GeForce GTX 675MX.
Full Specs
GeForce GTX 675MX
Radeon HD 6990M Crossfire
Architecture
Kepler
Terascale 2
Code name
N13E-GSR
Blackcomb XTX
Type
Laptop
Laptop
Release date
1 October 2012
12 July 2011
Pipelines
960
2240
Core clock speed
600 MHz
715 MHz
Transistor count
3,540 million
2x1700 Million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
48.0 billion/sec
Floating-point performance
1,256 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
115.2 GB/s
Shared memory
-
-
DirectX
12 API
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
CUDA cores
960
Bus support
PCI Express 2.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
63 Mh/s
Laptop size
large
large
Optimus
+
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