GeForce GT 755M SLI vs Radeon R9 390X
When choosing between GeForce GT 755M SLI and Radeon R9 390X, 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 GT 755M SLI and Radeon R9 390X.
GeForce GT 755M SLI is a Laptop Graphics Card
Note: GeForce GT 755M 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 GT 755M SLI here:
Main Specs
GeForce GT 755M SLI
Radeon R9 390X
Power consumption (TDP)
2x ~50 Watt
275 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 390X has 13650% more power consumption, than GeForce GT 755M SLI.
GeForce GT 755M SLI is used in Laptops, and Radeon R9 390X - in Desktops.
GeForce GT 755M SLI is build with Kepler architecture, and Radeon R9 390X - with GCN.
GeForce GT 755M SLI and Radeon R9 390X are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 755M SLI is 4350 MHz higher, than Radeon R9 390X.
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
14−16
50−55
ultra / 1080p
8−9
30−35
QHD / 1440p
2−3
24−27
4K / 2160p
−
14−16
low / 720p
30−35
75−80
medium / 1080p
18−20
55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 226% more, than GeForce GT 755M SLI.
high / 1080p
21−24
75−80
ultra / 1080p
18−20
65−70
QHD / 1440p
2−3
50−55
4K / 2160p
−
27−30
low / 720p
50−55
130−140
medium / 1080p
24−27
85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 250% more, than GeForce GT 755M SLI.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
45−50
The average gaming FPS of GeForce GT 755M SLI in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p
200−210
250−260
medium / 768p
170−180
230−240
ultra / 1080p
90−95
−
QHD / 1440p
50−55
150−160
4K / 2160p
24−27
100−110
high / 768p
140−150
220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 62% more, than GeForce GT 755M SLI.
low / 768p
60−65
70−75
ultra / 1080p
40−45
−
medium / 1080p
55−60
50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than GeForce GT 755M SLI.
low / 768p
110−120
120−130
medium / 768p
95−100
110−120
ultra / 1080p
60−65
110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 29% more, than GeForce GT 755M SLI.
high / 1080p
16−18
60−65
ultra / 1080p
14−16
60−65
QHD / 1440p
−
40−45
4K / 2160p
5−6
21−24
low / 720p
35−40
100−110
medium / 1080p
18−20
65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 255% more, than GeForce GT 755M SLI.
high / 1080p
24−27
90−95
ultra / 1080p
18−20
70−75
QHD / 1440p
12−14
45−50
4K / 2160p
−
21−24
low / 720p
95−100
210−220
medium / 1080p
50−55
140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 178% more, than GeForce GT 755M SLI.
high / 1080p
24−27
80−85
ultra / 1080p
18−20
65−70
QHD / 1440p
7−8
45−50
4K / 2160p
−
30−35
low / 720p
50−55
130−140
medium / 1080p
27−30
90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 226% more, than GeForce GT 755M SLI.
low / 768p
85−90
160−170
medium / 768p
75−80
150−160
high / 1080p
27−30
95−100
ultra / 1080p
10−12
45−50
QHD / 1440p
1−2
35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 143% more, than GeForce GT 755M SLI.
high / 1080p
9−10
35−40
ultra / 1080p
7−8
30−35
QHD / 1440p
−
24−27
4K / 2160p
0−1
14−16
low / 720p
27−30
90−95
medium / 1080p
12−14
50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 278% more, than GeForce GT 755M SLI.
low / 768p
110−120
120−130
ultra / 1080p
100−110
−
medium / 1080p
100−110
−
The average gaming FPS of Radeon R9 390X in Minecraft is 8% more, than GeForce GT 755M SLI.
high / 1080p
−
75−80
ultra / 1080p
14−16
50−55
4K / 2160p
−
18−20
low / 720p
55−60
120−130
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 193% more, than GeForce GT 755M SLI.
high / 1080p
12−14
35−40
ultra / 1080p
8−9
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
27−30
90−95
medium / 1080p
16−18
50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 218% more, than GeForce GT 755M SLI.
low / 768p
50−55
180−190
medium / 768p
30−35
120−130
high / 1080p
18−20
70−75
ultra / 1080p
10−11
35−40
4K / 2160p
6−7
24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 270% more, than GeForce GT 755M SLI.
low / 768p
90−95
120−130
medium / 768p
60−65
−
ultra / 1080p
30−35
65−70
high / 768p
50−55
120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 77% more, than GeForce GT 755M SLI.
Full Specs
GeForce GT 755M SLI
Radeon R9 390X
Architecture
Kepler
GCN
Code name
N14P-?
Grenada XT
Type
Laptop
Desktop
Release date
1 November 2013
16 June 2015
Pipelines
768
2816
Core clock speed
980 MHz
Boost Clock
1050 MHz
Transistor count
2x 1300 Million
6,200 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
184.8
Floating-point performance
5,914 gflops
Length
275 mm
Memory bus width
2x 128 Bit
512 Bit
Memory clock speed
5400 MHz
1050 MHz
Memory bandwidth
384 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
Shader Model
6.3
OpenGL
4.6
OpenCL
2.0
Vulkan
+
CUDA
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
684 Mh/s
Laptop size
large
Eyefinity
+
PowerTune
+
TrueAudio
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
27.5 Mh/s
High bandwidth memory (HBM)
-
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