GeForce 840M vs Radeon R9 M275
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Radeon R9 M275. 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 840M and Radeon R9 M275. 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 840M and Radeon R9 M275 are Laptop Graphics Cards
Note: GeForce 840M and Radeon R9 M275 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 840M or Radeon R9 M275 here:
Main Specs
GeForce 840M
Radeon R9 M275
Power consumption (TDP)
33 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
No outputs
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GeForce 840M is connected by PCIe 3.0 x8, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
GeForce 840M and Radeon R9 M275 have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and Radeon R9 M275 - with GCN.
Core clock speed of GeForce 840M is 104 MHz higher, than Radeon R9 M275.
GeForce 840M and Radeon R9 M275 are manufactured by 28 nm process technology.
Memory clock speed of Radeon R9 M275 is 2500 MHz higher, than GeForce 840M.
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
0−1
ultra / 1080p
0−1
−
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
3−4
3−4
GeForce 840M and Radeon R9 M275 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
−
5−6
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
16−18
medium / 1080p
5−6
5−6
GeForce 840M and Radeon R9 M275 have the same average FPS in Battlefield 5.
low / 768p
45−50
50−55
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
medium / 1080p
−
50−55
The average gaming FPS of Radeon R9 M275 in Call of Duty: Warzone is 11% more, than GeForce 840M.
low / 768p
120−130
110−120
medium / 768p
90−95
90−95
ultra / 1080p
40−45
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
18−20
high / 768p
65−70
65−70
The average gaming FPS of GeForce 840M in Counter-Strike: Global Offensive is 3% more, than Radeon R9 M275.
low / 768p
85−90
60−65
ultra / 1080p
16−18
18−20
medium / 1080p
40−45
50−55
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 11% more, than Radeon R9 M275.
low / 768p
75−80
70−75
medium / 768p
50−55
50−55
ultra / 1080p
24−27
24−27
The average gaming FPS of GeForce 840M in Dota 2 is 2% more, than Radeon R9 M275.
high / 1080p
2−3
1−2
ultra / 1080p
2−3
−
4K / 2160p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
3−4
3−4
The average gaming FPS of GeForce 840M in Far Cry 5 is 20% more, than Radeon R9 M275.
high / 1080p
10−11
9−10
ultra / 1080p
5−6
5−6
QHD / 1440p
2−3
1−2
low / 720p
50−55
50−55
medium / 1080p
10−12
12−14
GeForce 840M and Radeon R9 M275 have the same average FPS in Fortnite.
high / 1080p
4−5
6−7
ultra / 1080p
−
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
7−8
7−8
The average gaming FPS of Radeon R9 M275 in Forza Horizon 4 is 22% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
5−6
7−8
ultra / 1080p
2−3
4−5
QHD / 1440p
0−1
0−1
medium / 720p
35−40
35−40
The average gaming FPS of Radeon R9 M275 in Grand Theft Auto V is 4% more, than GeForce 840M.
high / 1080p
1−2
3−4
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
0−1
low / 720p
5−6
7−8
medium / 1080p
3−4
4−5
The average gaming FPS of Radeon R9 M275 in Metro Exodus is 66% more, than GeForce 840M.
low / 768p
90−95
85−90
high / 1080p
85−90
70−75
ultra / 1080p
70−75
−
medium / 1080p
90−95
−
The average gaming FPS of GeForce 840M in Minecraft is 12% more, than Radeon R9 M275.
high / 1080p
−
14−16
ultra / 1080p
12−14
12−14
low / 720p
27−30
24−27
medium / 1080p
14−16
14−16
The average gaming FPS of GeForce 840M in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon R9 M275.
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
6−7
8−9
The average gaming FPS of Radeon R9 M275 in Red Dead Redemption 2 is 60% more, than GeForce 840M.
low / 768p
12−14
16−18
medium / 768p
9−10
12−14
high / 1080p
4−5
6−7
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
−
The average gaming FPS of Radeon R9 M275 in The Witcher 3: Wild Hunt is 42% more, than GeForce 840M.
low / 768p
75−80
85−90
medium / 768p
35−40
35−40
ultra / 1080p
16−18
14−16
high / 768p
30−35
30−33
The average gaming FPS of Radeon R9 M275 in World of Tanks is 2% more, than GeForce 840M.
Full Specs
GeForce 840M
Radeon R9 M275
Architecture
Maxwell
GCN
Code name
N15S-GT
Venus
Type
Laptop
Laptop
Release date
12 March 2014
1 August 2014
Pipelines
384
640
Core clock speed
1029 MHz
925 MHz
Boost Clock
1124 MHz
925 MHz
Transistor count
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.98
37.00
Floating-point performance
863.2 gflops
1,184 gflops
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
4500 MHz
Memory bandwidth
16.02 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
+
Bus support
PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256)
92 Mh/s
122 Mh/s
Laptop size
medium sized
large
Optimus
+
GPU Boost
2.0
GameWorks
+
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