Radeon HD 6750 vs Radeon R9 M390X
When comparing Radeon HD 6750 and Radeon R9 M390X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6750 and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon R9 M390X is a Laptop Graphics Card
Note: Radeon R9 M390X 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 Radeon R9 M390X here:
Main Specs
Radeon HD 6750
Radeon R9 M390X
Power consumption (TDP)
86 Watt
100 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon R9 M390X has 16% more power consumption, than Radeon HD 6750.
Radeon HD 6750 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
Radeon R9 M390X has 3 GB more memory, than Radeon HD 6750.
Radeon HD 6750 is used in Desktops, and Radeon R9 M390X - in Laptops.
Radeon HD 6750 is build with TeraScale 2 architecture, and Radeon R9 M390X - with GCN 3.
Radeon HD 6750 is manufactured by 40 nm process technology, and Radeon R9 M390X - by 28 nm process technology.
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
1−2
21−24
ultra / 1080p
0−1
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
12−14
40−45
medium / 1080p
3−4
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 416% more, than Radeon HD 6750.
high / 1080p
−
35−40
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
16−18
70−75
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 444% more, than Radeon HD 6750.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Radeon HD 6750.
low / 768p
120−130
230−240
medium / 768p
90−95
210−220
ultra / 1080p
40−45
120−130
QHD / 1440p
24−27
100−110
4K / 2160p
18−20
55−60
high / 768p
65−70
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 145% more, than Radeon HD 6750.
low / 768p
85−90
60−65
ultra / 1080p
16−18
55−60
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 20% more, than Radeon HD 6750.
low / 768p
75−80
120−130
medium / 768p
50−55
110−120
ultra / 1080p
24−27
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 113% more, than Radeon HD 6750.
high / 1080p
2−3
27−30
ultra / 1080p
2−3
24−27
QHD / 1440p
−
20−22
4K / 2160p
1−2
9−10
low / 720p
12−14
55−60
medium / 1080p
3−4
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 650% more, than Radeon HD 6750.
high / 1080p
10−11
35−40
ultra / 1080p
5−6
27−30
QHD / 1440p
2−3
16−18
low / 720p
50−55
130−140
medium / 1080p
10−12
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 268% more, than Radeon HD 6750.
high / 1080p
4−5
35−40
ultra / 1080p
−
27−30
QHD / 1440p
0−1
16−18
4K / 2160p
−
14−16
low / 720p
18−20
75−80
medium / 1080p
7−8
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 420% more, than Radeon HD 6750.
low / 768p
45−50
110−120
medium / 768p
−
95−100
high / 1080p
5−6
45−50
ultra / 1080p
2−3
18−20
QHD / 1440p
0−1
9−10
medium / 720p
35−40
−
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 233% more, than Radeon HD 6750.
high / 1080p
1−2
14−16
ultra / 1080p
0−1
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
5−6
40−45
medium / 1080p
3−4
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 766% more, than Radeon HD 6750.
low / 768p
90−95
120−130
high / 1080p
85−90
−
ultra / 1080p
70−75
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 30% more, than Radeon HD 6750.
ultra / 1080p
12−14
14−16
low / 720p
27−30
75−80
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 105% more, than Radeon HD 6750.
high / 1080p
−
16−18
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
6−7
40−45
medium / 1080p
−
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 420% more, than Radeon HD 6750.
low / 768p
12−14
80−85
medium / 768p
9−10
50−55
high / 1080p
4−5
27−30
ultra / 1080p
3−4
16−18
4K / 2160p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 542% more, than Radeon HD 6750.
low / 768p
75−80
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 53% more, than Radeon HD 6750.
Full Specs
Radeon HD 6750
Radeon R9 M390X
Architecture
TeraScale 2
GCN 3
Code name
Juniper
Amethyst (XT) / Tonga
Type
Desktop
Laptop
Release date
21 January 2011
9 June 2015
Pipelines
720
2048
Core clock speed
723 MHz
Boost Clock
900 MHz
Transistor count
1,040 million
5,000 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
25.20
92.54
Floating-point performance
1,008.0 gflops
2,961 gflops
Length
170 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
Memory bandwidth
73.6 GB/s
160.0 GB/s
Shared memory
-
Shader Model
5.0
6.3
OpenGL
4.4
4.4
OpenCL
1.2
Not Listed
Vulkan
+
FreeSync
+
Bus support
PCIe 2.0 x16
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
large
Eyefinity
+
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Design
reference
CrossFire
+
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