GeForce GT 755M vs Mobility Radeon HD 3870 X2
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M and Mobility Radeon HD 3870 X2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 755M and Mobility Radeon HD 3870 X2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce GT 755M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: GeForce GT 755M 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 GT 755M or Mobility Radeon HD 3870 X2 here:
Main Specs
GeForce GT 755M
Mobility Radeon HD 3870 X2
Power consumption (TDP)
50 Watt
110 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 120% more power consumption, than GeForce GT 755M.
GeForce GT 755M is connected by PCIe 3.0 x16, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than GeForce GT 755M.
Both cards are used in Laptops.
GeForce GT 755M is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of GeForce GT 755M is 320 MHz higher, than Mobility Radeon HD 3870 X2.
GeForce GT 755M is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
Memory clock speed of GeForce GT 755M is 4550 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
7−8
6−7
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
18−20
16−18
medium / 1080p
9−10
8−9
The average gaming FPS of GeForce GT 755M in Assassin's Creed Odyssey is 11% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
10−11
QHD / 1440p
0−1
0−1
low / 720p
27−30
24−27
medium / 1080p
14−16
12−14
The average gaming FPS of GeForce GT 755M in Battlefield 5 is 6% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 755M and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
130−140
medium / 768p
110−120
110−120
ultra / 1080p
55−60
50−55
QHD / 1440p
30−35
27−30
4K / 2160p
27−30
27−30
high / 768p
85−90
80−85
The average gaming FPS of GeForce GT 755M in Counter-Strike: Global Offensive is 5% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
21−24
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 755M in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
80−85
medium / 768p
60−65
55−60
ultra / 1080p
35−40
30−35
The average gaming FPS of GeForce GT 755M in Dota 2 is 8% more, than Mobility Radeon HD 3870 X2.
high / 1080p
9−10
8−9
ultra / 1080p
8−9
7−8
4K / 2160p
4−5
3−4
low / 720p
21−24
18−20
medium / 1080p
10−11
8−9
The average gaming FPS of GeForce GT 755M in Far Cry 5 is 22% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
14−16
ultra / 1080p
10−12
10−11
low / 720p
65−70
60−65
medium / 1080p
24−27
21−24
The average gaming FPS of GeForce GT 755M in Fortnite is 11% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
12−14
ultra / 1080p
12−14
10−12
QHD / 1440p
2−3
1−2
low / 720p
27−30
24−27
medium / 1080p
14−16
14−16
The average gaming FPS of GeForce GT 755M in Forza Horizon 4 is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
50−55
medium / 768p
50−55
45−50
high / 1080p
14−16
12−14
ultra / 1080p
7−8
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 755M in Grand Theft Auto V is 13% more, than Mobility Radeon HD 3870 X2.
high / 1080p
5−6
4−5
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
7−8
6−7
The average gaming FPS of GeForce GT 755M in Metro Exodus is 16% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
95−100
high / 1080p
90−95
85−90
ultra / 1080p
80−85
80−85
medium / 1080p
95−100
90−95
The average gaming FPS of GeForce GT 755M in Minecraft is 2% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
35−40
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GT 755M in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Mobility Radeon HD 3870 X2.
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
10−12
10−12
The average gaming FPS of GeForce GT 755M in Red Dead Redemption 2 is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
27−30
24−27
medium / 768p
18−20
16−18
high / 1080p
10−11
9−10
ultra / 1080p
7−8
6−7
4K / 2160p
6−7
6−7
The average gaming FPS of GeForce GT 755M in The Witcher 3: Wild Hunt is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
21−24
18−20
high / 768p
35−40
35−40
The average gaming FPS of GeForce GT 755M in World of Tanks is 2% more, than Mobility Radeon HD 3870 X2.
Full Specs
GeForce GT 755M
Mobility Radeon HD 3870 X2
Architecture
Kepler
RV6xx
Code name
N14P-
M88-XT CF
Type
Laptop
Laptop
Release date
25 June 2013
1 September 2008
Pipelines
384
640
Core clock speed
980 MHz
660 MHz
Transistor count
1,270 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
31.36
10.56
Floating-point performance
752.6 gflops
2x 422.4 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
5400 MHz
850 MHz
Memory bandwidth
86.4 GB/s
54.4 GB/s
Shared memory
-
-
DirectX
12 API
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.5
3.3
OpenCL
1.1
N/A
Vulkan
1.1.126
N/A
CUDA
+
Bus support
PCI Express 3.0, PCI Express 2.0
HDMI
+
Bitcoin / BTC (SHA256)
27 Mh/s
Laptop size
medium sized
large
Standard memory configuration
GDDR5
eDP 1.2 signal support
Up to 3840x2160
LVDS signal support
Up to 1920x1200
DisplayPort Multimode (DP++) support
Up to 3840x2160
HDCP content protection
+
7.1 channel HD audio on HDMI
+
TrueHD and DTS-HD audio bitstreaming
+
H.264, VC1, MPEG2 1080p video decoder
+
Optimus
+
Blu-Ray 3D Support
+
3D Vision / 3DTV Play
+
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