Radeon HD 8790M vs Radeon R9 M395X
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 8790M and Radeon R9 M395X. 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 Radeon HD 8790M and Radeon R9 M395X. 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.
Radeon HD 8790M and Radeon R9 M395X are Laptop Graphics Cards
Note: Radeon HD 8790M and Radeon R9 M395X 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 Radeon HD 8790M or Radeon R9 M395X here:
Main Specs
Radeon HD 8790M
Radeon R9 M395X
Power consumption (TDP)
250 Watt
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon HD 8790M is connected by MXM-A (3.0), and Radeon R9 M395X uses PCIe 3.0 x16 interface.
Radeon R9 M395X has 2 GB more memory, than Radeon HD 8790M.
Both cards are used in Laptops.
Radeon HD 8790M is build with GCN architecture, and Radeon R9 M395X - with GCN 3.
Core clock speed of Radeon HD 8790M is 127 MHz higher, than Radeon R9 M395X.
Radeon HD 8790M and Radeon R9 M395X are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 8790M is 3250 MHz higher, than Radeon R9 M395X.
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
3−4
24−27
ultra / 1080p
1−2
14−16
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
14−16
45−50
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 400% more, than Radeon HD 8790M.
high / 1080p
8−9
35−40
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
10−11
low / 720p
21−24
80−85
medium / 1080p
9−10
40−45
The average gaming FPS of Radeon R9 M395X in Battlefield 5 is 336% more, than Radeon HD 8790M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M395X in Call of Duty: Warzone is 10% more, than Radeon HD 8790M.
low / 768p
120−130
240−250
medium / 768p
100−110
210−220
ultra / 1080p
50−55
130−140
QHD / 1440p
24−27
100−110
4K / 2160p
−
60−65
high / 768p
75−80
180−190
The average gaming FPS of Radeon R9 M395X in Counter-Strike: Global Offensive is 129% more, than Radeon HD 8790M.
low / 768p
70−75
60−65
ultra / 1080p
21−24
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon R9 M395X in Cyberpunk 2077 is 5% more, than Radeon HD 8790M.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
85−90
The average gaming FPS of Radeon R9 M395X in Dota 2 is 98% more, than Radeon HD 8790M.
high / 1080p
4−5
30−35
ultra / 1080p
4−5
27−30
QHD / 1440p
−
21−24
4K / 2160p
1−2
10−11
low / 720p
14−16
60−65
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon R9 M395X in Far Cry 5 is 450% more, than Radeon HD 8790M.
high / 1080p
12−14
35−40
ultra / 1080p
7−8
30−35
QHD / 1440p
4−5
18−20
low / 720p
60−65
140−150
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 M395X in Fortnite is 204% more, than Radeon HD 8790M.
high / 1080p
8−9
40−45
ultra / 1080p
7−8
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
16−18
low / 720p
21−24
80−85
medium / 1080p
10−11
45−50
The average gaming FPS of Radeon R9 M395X in Forza Horizon 4 is 325% more, than Radeon HD 8790M.
low / 768p
50−55
110−120
medium / 768p
−
100−110
high / 1080p
10−11
50−55
ultra / 1080p
4−5
21−24
QHD / 1440p
0−1
10−12
medium / 720p
40−45
−
The average gaming FPS of Radeon R9 M395X in Grand Theft Auto V is 186% more, than Radeon HD 8790M.
high / 1080p
2−3
16−18
ultra / 1080p
0−1
12−14
QHD / 1440p
−
12−14
4K / 2160p
0−1
4−5
low / 720p
9−10
45−50
medium / 1080p
4−5
21−24
The average gaming FPS of Radeon R9 M395X in Metro Exodus is 480% more, than Radeon HD 8790M.
low / 768p
85−90
120−130
high / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 M395X in Minecraft is 43% more, than Radeon HD 8790M.
ultra / 1080p
12−14
14−16
low / 720p
30−35
80−85
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 M395X in PLAYERUNKNOWN'S BATTLEGROUNDS is 90% more, than Radeon HD 8790M.
high / 1080p
7−8
18−20
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
8−9
45−50
medium / 1080p
8−9
24−27
The average gaming FPS of Radeon R9 M395X in Red Dead Redemption 2 is 271% more, than Radeon HD 8790M.
low / 768p
20−22
90−95
medium / 768p
12−14
55−60
high / 1080p
7−8
30−35
ultra / 1080p
5−6
16−18
4K / 2160p
1−2
10−11
The average gaming FPS of Radeon R9 M395X in The Witcher 3: Wild Hunt is 366% more, than Radeon HD 8790M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
45−50
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M395X in World of Tanks is 54% more, than Radeon HD 8790M.
Full Specs
Radeon HD 8790M
Radeon R9 M395X
Architecture
GCN
GCN 3
Code name
Mars XTX
Amethyst XT
Type
Laptop
Laptop
Release date
16 November 2012
16 October 2014
Pipelines
384
2048
Core clock speed
850 MHz
723 MHz
Boost Clock
900 MHz
Transistor count
950 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
92.54
Floating-point performance
691.2 gflops
2,961 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
1250 MHz
Memory bandwidth
64 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
1.2.131
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
80 Mh/s
413 Mh/s
Laptop size
medium sized
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
TrueAudio
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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