GeForce 840M vs Radeon R9 M385X
If you are going to buy a new graphics card and are choosing between GeForce 840M and Radeon R9 M385X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 840M stacks up against Radeon R9 M385X, check out specs charts below.
GeForce 840M and Radeon R9 M385X are Laptop Graphics Cards
Note: GeForce 840M and Radeon R9 M385X 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 M385X here:
Main Specs
GeForce 840M
Radeon R9 M385X
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
Check Price
Check Price
GeForce 840M is connected by PCIe 3.0 x8, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
GeForce 840M and Radeon R9 M385X have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and Radeon R9 M385X - with GCN.
Core clock speed of Radeon R9 M385X is 71 MHz higher, than GeForce 840M.
GeForce 840M and Radeon R9 M385X are manufactured by 28 nm process technology.
Memory clock speed of GeForce 840M is 500 MHz higher, than Radeon R9 M385X.
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
8−9
ultra / 1080p
0−1
5−6
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
3−4
10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 100% more, than GeForce 840M.
high / 1080p
−
14−16
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
0−1
low / 720p
16−18
30−33
medium / 1080p
5−6
14−16
The average gaming FPS of Radeon R9 M385X in Battlefield 5 is 111% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M385X in Call of Duty: Warzone is 4% more, than GeForce 840M.
low / 768p
120−130
150−160
medium / 768p
90−95
120−130
ultra / 1080p
40−45
60−65
QHD / 1440p
24−27
35−40
4K / 2160p
18−20
27−30
high / 768p
65−70
90−95
The average gaming FPS of Radeon R9 M385X in Counter-Strike: Global Offensive is 33% more, than GeForce 840M.
low / 768p
85−90
55−60
ultra / 1080p
16−18
21−24
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 16% more, than Radeon R9 M385X.
low / 768p
75−80
85−90
medium / 768p
50−55
65−70
ultra / 1080p
24−27
40−45
The average gaming FPS of Radeon R9 M385X in Dota 2 is 27% more, than GeForce 840M.
high / 1080p
2−3
10−11
ultra / 1080p
2−3
9−10
4K / 2160p
0−1
4−5
low / 720p
12−14
21−24
medium / 1080p
3−4
10−11
The average gaming FPS of Radeon R9 M385X in Far Cry 5 is 160% more, than GeForce 840M.
high / 1080p
10−11
16−18
ultra / 1080p
5−6
12−14
QHD / 1440p
2−3
−
low / 720p
50−55
65−70
medium / 1080p
10−12
27−30
The average gaming FPS of Radeon R9 M385X in Fortnite is 63% more, than GeForce 840M.
high / 1080p
4−5
14−16
ultra / 1080p
−
12−14
QHD / 1440p
0−1
2−3
low / 720p
16−18
30−35
medium / 1080p
7−8
16−18
The average gaming FPS of Radeon R9 M385X in Forza Horizon 4 is 133% more, than GeForce 840M.
low / 768p
45−50
60−65
medium / 768p
−
50−55
high / 1080p
5−6
16−18
ultra / 1080p
2−3
7−8
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
The average gaming FPS of Radeon R9 M385X in Grand Theft Auto V is 61% more, than GeForce 840M.
high / 1080p
1−2
5−6
ultra / 1080p
0−1
4−5
4K / 2160p
0−1
1−2
low / 720p
5−6
16−18
medium / 1080p
3−4
7−8
The average gaming FPS of Radeon R9 M385X in Metro Exodus is 233% more, than GeForce 840M.
low / 768p
90−95
95−100
high / 1080p
85−90
95−100
ultra / 1080p
70−75
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon R9 M385X in Minecraft is 10% more, than GeForce 840M.
high / 1080p
−
18−20
ultra / 1080p
12−14
14−16
low / 720p
27−30
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 M385X in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than GeForce 840M.
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
6−7
14−16
medium / 1080p
−
12−14
The average gaming FPS of Radeon R9 M385X in Red Dead Redemption 2 is 120% more, than GeForce 840M.
low / 768p
12−14
30−35
medium / 768p
9−10
20−22
high / 1080p
4−5
10−12
ultra / 1080p
3−4
7−8
4K / 2160p
0−1
6−7
The average gaming FPS of Radeon R9 M385X in The Witcher 3: Wild Hunt is 157% more, than GeForce 840M.
low / 768p
75−80
90−95
medium / 768p
35−40
45−50
ultra / 1080p
16−18
21−24
high / 768p
30−35
40−45
The average gaming FPS of Radeon R9 M385X in World of Tanks is 24% more, than GeForce 840M.
Full Specs
GeForce 840M
Radeon R9 M385X
Architecture
Maxwell
GCN
Code name
N15S-GT
Strato-XT-M3
Type
Laptop
Laptop
Release date
12 March 2014
16 June 2015
Pipelines
384
896
Core clock speed
1029 MHz
1100 MHz
Boost Clock
1124 MHz
1100 MHz
Transistor count
2,080 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.98
61.60
Floating-point performance
863.2 gflops
1,971 gflops
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
1500 MHz
Memory bandwidth
16.02 GB/s
76.8 GB/s
Shared memory
-
-
DirectX
12 (11_0)
Shader Model
5.1
6.3
OpenGL
4.5
4.4
OpenCL
1.2
Not Listed
Vulkan
1.1.126
CUDA
+
FreeSync
+
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
medium sized
large
Optimus
+
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
GPU Boost
2.0
GameWorks
+
Check Price
Check Price
