GeForce GTX 675MX vs Radeon HD 6990
If you are going to buy a new graphics card and are choosing between GeForce GTX 675MX and Radeon HD 6990, 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 675MX stacks up against Radeon HD 6990, check out specs charts below.
GeForce GTX 675MX is a Laptop Graphics Card
Note: GeForce GTX 675MX 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 675MX here:
Main Specs
GeForce GTX 675MX
Radeon HD 6990
Power consumption (TDP)
100 Watt
375 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 275% more power consumption, than GeForce GTX 675MX.
GeForce GTX 675MX is connected by MXM-B (3.0), and Radeon HD 6990 uses PCIe 2.0 x16 interface.
GeForce GTX 675MX and Radeon HD 6990 have maximum RAM of 2 GB.
GeForce GTX 675MX is used in Laptops, and Radeon HD 6990 - in Desktops.
GeForce GTX 675MX is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of Radeon HD 6990 is 230 MHz higher, than GeForce GTX 675MX.
GeForce GTX 675MX is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Memory clock speed of Radeon HD 6990 is 3200 MHz higher, than GeForce GTX 675MX.
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
14−16
ultra / 1080p
5−6
9−10
QHD / 1440p
0−1
3−4
low / 720p
21−24
30−35
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 58% more, than GeForce GTX 675MX.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
21−24
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
30−35
50−55
medium / 1080p
16−18
27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 60% more, than GeForce GTX 675MX.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 675MX and Radeon HD 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
210−220
medium / 768p
130−140
170−180
ultra / 1080p
70−75
95−100
QHD / 1440p
40−45
50−55
4K / 2160p
30−33
30−33
high / 768p
100−110
140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 30% more, than GeForce GTX 675MX.
low / 768p
55−60
55−60
ultra / 1080p
27−30
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 11% more, than GeForce GTX 675MX.
low / 768p
90−95
110−120
medium / 768p
70−75
90−95
ultra / 1080p
45−50
60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 28% more, than GeForce GTX 675MX.
high / 1080p
10−12
18−20
ultra / 1080p
10−11
16−18
4K / 2160p
4−5
6−7
low / 720p
24−27
35−40
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 58% more, than GeForce GTX 675MX.
high / 1080p
18−20
24−27
ultra / 1080p
12−14
18−20
QHD / 1440p
−
16−18
low / 720p
70−75
95−100
medium / 1080p
30−35
50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 41% more, than GeForce GTX 675MX.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
20−22
QHD / 1440p
4−5
9−10
low / 720p
35−40
50−55
medium / 1080p
18−20
27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 50% more, than GeForce GTX 675MX.
low / 768p
65−70
85−90
medium / 768p
55−60
75−80
high / 1080p
18−20
30−33
ultra / 1080p
8−9
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 36% more, than GeForce GTX 675MX.
high / 1080p
6−7
9−10
ultra / 1080p
4−5
7−8
4K / 2160p
1−2
2−3
low / 720p
18−20
27−30
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 50% more, than GeForce GTX 675MX.
low / 768p
100−110
110−120
ultra / 1080p
90−95
100−110
medium / 1080p
95−100
100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 10% more, than GeForce GTX 675MX.
high / 1080p
18−20
21−24
ultra / 1080p
14−16
18−20
low / 720p
40−45
55−60
medium / 1080p
20−22
24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 29% more, than GeForce GTX 675MX.
high / 1080p
12−14
14−16
ultra / 1080p
8−9
9−10
QHD / 1440p
0−1
0−1
low / 720p
18−20
27−30
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 30% more, than GeForce GTX 675MX.
low / 768p
35−40
55−60
medium / 768p
21−24
30−35
high / 1080p
12−14
18−20
ultra / 1080p
8−9
10−12
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 47% more, than GeForce GTX 675MX.
low / 768p
90−95
100−110
medium / 768p
50−55
60−65
ultra / 1080p
24−27
35−40
high / 768p
40−45
50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 20% more, than GeForce GTX 675MX.
Full Specs
GeForce GTX 675MX
Radeon HD 6990
Architecture
Kepler
TeraScale 3
Code name
N13E-GSR
Antilles
Type
Laptop
Desktop
Release date
1 October 2012
8 March 2011
Pipelines
960
1536
Core clock speed
600 MHz
830 MHz
Transistor count
3,540 million
2,640 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
48.0 billion/sec
79.68
Floating-point performance
1,256 gflops
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
1800 MHz
5000 MHz
Memory bandwidth
115.2 GB/s
160.0 GB/s
Shared memory
-
DirectX
12 API
11.2 (11_0)
Shader Model
5.1
5.0
OpenGL
4.5
4.4
OpenCL
1.1
1.2
Vulkan
1.1.126
N/A
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
265 Mh/s
Laptop size
large
Optimus
+
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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