GeForce GTX 775M vs Mobility Radeon HD 3870 X2
If you are going to buy a new graphics card and are choosing between GeForce GTX 775M and Mobility Radeon HD 3870 X2, 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 775M stacks up against Mobility Radeon HD 3870 X2, check out specs charts below.
GeForce GTX 775M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: GeForce GTX 775M and Mobility Radeon HD 3870 X2 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 775M or Mobility Radeon HD 3870 X2 here:
Main Specs
GeForce GTX 775M
Mobility Radeon HD 3870 X2
Power consumption (TDP)
100 Watt
110 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Display Connectors
No outputs
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Mobility Radeon HD 3870 X2 has 10% more power consumption, than GeForce GTX 775M.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than GeForce GTX 775M.
Both cards are used in Laptops.
GeForce GTX 775M is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of GeForce GTX 775M is 59 MHz higher, than Mobility Radeon HD 3870 X2.
GeForce GTX 775M is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
Memory clock speed of GeForce GTX 775M is 2750 MHz higher, than Mobility Radeon HD 3870 X2.
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
6−7
ultra / 1080p
12−14
4−5
QHD / 1440p
7−8
0−1
4K / 2160p
5−6
−
low / 720p
40−45
16−18
medium / 1080p
27−30
8−9
The average gaming FPS of GeForce GTX 775M in Assassin's Creed Odyssey is 188% more, than Mobility Radeon HD 3870 X2.
high / 1080p
30−35
12−14
ultra / 1080p
30−33
10−11
QHD / 1440p
14−16
0−1
4K / 2160p
9−10
−
low / 720p
70−75
24−27
medium / 1080p
35−40
12−14
The average gaming FPS of GeForce GTX 775M in Battlefield 5 is 186% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 775M in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
230−240
130−140
medium / 768p
200−210
110−120
ultra / 1080p
120−130
50−55
QHD / 1440p
95−100
27−30
4K / 2160p
55−60
27−30
high / 768p
170−180
80−85
The average gaming FPS of GeForce GTX 775M in Counter-Strike: Global Offensive is 104% more, than Mobility Radeon HD 3870 X2.
low / 768p
60−65
55−60
ultra / 1080p
50−55
18−20
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 775M in Cyberpunk 2077 is 39% more, than Mobility Radeon HD 3870 X2.
low / 768p
120−130
80−85
medium / 768p
110−120
55−60
ultra / 1080p
80−85
30−35
The average gaming FPS of GeForce GTX 775M in Dota 2 is 87% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
8−9
ultra / 1080p
24−27
7−8
QHD / 1440p
20−22
−
4K / 2160p
8−9
3−4
low / 720p
55−60
18−20
medium / 1080p
27−30
8−9
The average gaming FPS of GeForce GTX 775M in Far Cry 5 is 222% more, than Mobility Radeon HD 3870 X2.
high / 1080p
35−40
14−16
ultra / 1080p
27−30
10−11
QHD / 1440p
16−18
−
low / 720p
130−140
60−65
medium / 1080p
75−80
21−24
The average gaming FPS of GeForce GTX 775M in Fortnite is 155% more, than Mobility Radeon HD 3870 X2.
high / 1080p
35−40
12−14
ultra / 1080p
27−30
10−12
QHD / 1440p
14−16
1−2
4K / 2160p
14−16
−
low / 720p
70−75
24−27
medium / 1080p
40−45
14−16
The average gaming FPS of GeForce GTX 775M in Forza Horizon 4 is 200% more, than Mobility Radeon HD 3870 X2.
low / 768p
100−110
50−55
medium / 768p
95−100
45−50
high / 1080p
40−45
12−14
ultra / 1080p
18−20
6−7
QHD / 1440p
8−9
0−1
The average gaming FPS of GeForce GTX 775M in Grand Theft Auto V is 127% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
4−5
ultra / 1080p
10−12
3−4
QHD / 1440p
10−12
−
4K / 2160p
3−4
0−1
low / 720p
40−45
12−14
medium / 1080p
18−20
6−7
The average gaming FPS of GeForce GTX 775M in Metro Exodus is 250% more, than Mobility Radeon HD 3870 X2.
low / 768p
120−130
95−100
high / 1080p
−
85−90
ultra / 1080p
−
80−85
medium / 1080p
110−120
90−95
The average gaming FPS of GeForce GTX 775M in Minecraft is 26% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
16−18
ultra / 1080p
14−16
14−16
low / 720p
70−75
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 775M in PLAYERUNKNOWN'S BATTLEGROUNDS is 59% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
−
ultra / 1080p
10−12
7−8
QHD / 1440p
2−3
0−1
4K / 2160p
2−3
−
low / 720p
40−45
12−14
medium / 1080p
21−24
10−12
The average gaming FPS of GeForce GTX 775M in Red Dead Redemption 2 is 150% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
24−27
medium / 768p
45−50
16−18
high / 1080p
27−30
9−10
ultra / 1080p
14−16
6−7
4K / 2160p
9−10
6−7
The average gaming FPS of GeForce GTX 775M in The Witcher 3: Wild Hunt is 176% more, than Mobility Radeon HD 3870 X2.
low / 768p
90−95
85−90
medium / 768p
60−65
45−50
ultra / 1080p
40−45
18−20
high / 768p
55−60
35−40
The average gaming FPS of GeForce GTX 775M in World of Tanks is 34% more, than Mobility Radeon HD 3870 X2.
Full Specs
GeForce GTX 775M
Mobility Radeon HD 3870 X2
Architecture
Kepler
RV6xx
Code name
N13E-GTX-A2
M88-XT CF
Type
Laptop
Laptop
Release date
24 September 2013
1 September 2008
Pipelines
1344
640
Core clock speed
719 MHz
660 MHz
Transistor count
3540 Million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
10.56
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
850 MHz
Memory bandwidth
54.4 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
10.1 (10_1)
Shader Model
4.1
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
CUDA
+
SLI options
+
Laptop size
large
large
Optimus
+
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