Mobility Radeon HD 4870 vs Radeon R9 M385X
When choosing between Mobility Radeon HD 4870 and Radeon R9 M385X, 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 Mobility Radeon HD 4870 and Radeon R9 M385X.
Mobility Radeon HD 4870 and Radeon R9 M385X are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 or Radeon R9 M385X here:
Main Specs
Mobility Radeon HD 4870
Radeon R9 M385X
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
Radeon R9 M385X has 3 GB more memory, than Mobility Radeon HD 4870.
Both cards are used in Laptops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R9 M385X - with GCN.
Core clock speed of Radeon R9 M385X is 550 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
Memory clock speed of Radeon R9 M385X is 612 MHz higher, than Mobility Radeon HD 4870.
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
7−8
8−9
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
8−9
10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 11% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−33
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon R9 M385X in Battlefield 5 is 20% more, than Mobility Radeon HD 4870.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 and Radeon R9 M385X have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
150−160
medium / 768p
110−120
120−130
ultra / 1080p
55−60
60−65
QHD / 1440p
30−33
35−40
4K / 2160p
27−30
27−30
high / 768p
80−85
90−95
The average gaming FPS of Radeon R9 M385X in Counter-Strike: Global Offensive is 9% more, than Mobility Radeon HD 4870.
low / 768p
55−60
55−60
ultra / 1080p
20−22
21−24
medium / 1080p
45−50
45−50
Mobility Radeon HD 4870 and Radeon R9 M385X have the same average FPS in Cyberpunk 2077.
low / 768p
80−85
85−90
medium / 768p
60−65
65−70
ultra / 1080p
35−40
40−45
The average gaming FPS of Radeon R9 M385X in Dota 2 is 8% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
10−11
ultra / 1080p
8−9
9−10
4K / 2160p
3−4
4−5
low / 720p
18−20
21−24
medium / 1080p
9−10
10−11
The average gaming FPS of Radeon R9 M385X in Far Cry 5 is 22% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
12−14
low / 720p
60−65
65−70
medium / 1080p
24−27
27−30
The average gaming FPS of Radeon R9 M385X in Fortnite is 10% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
14−16
ultra / 1080p
10−12
12−14
QHD / 1440p
1−2
2−3
low / 720p
27−30
30−35
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon R9 M385X in Forza Horizon 4 is 23% more, than Mobility Radeon HD 4870.
low / 768p
50−55
60−65
medium / 768p
45−50
50−55
high / 1080p
12−14
16−18
ultra / 1080p
6−7
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M385X in Grand Theft Auto V is 17% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
5−6
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
16−18
medium / 1080p
6−7
7−8
The average gaming FPS of Radeon R9 M385X in Metro Exodus is 14% more, than Mobility Radeon HD 4870.
low / 768p
95−100
95−100
high / 1080p
90−95
95−100
ultra / 1080p
80−85
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon R9 M385X in Minecraft is 4% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
35−40
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 M385X in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Mobility Radeon HD 4870.
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon R9 M385X in Red Dead Redemption 2 is 20% more, than Mobility Radeon HD 4870.
low / 768p
24−27
30−35
medium / 768p
16−18
20−22
high / 1080p
9−10
10−12
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
6−7
The average gaming FPS of Radeon R9 M385X in The Witcher 3: Wild Hunt is 15% more, than Mobility Radeon HD 4870.
low / 768p
85−90
90−95
medium / 768p
45−50
45−50
ultra / 1080p
20−22
21−24
high / 768p
35−40
40−45
The average gaming FPS of Radeon R9 M385X in World of Tanks is 6% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Radeon R9 M385X
Architecture
Terascale 1
GCN
Code name
M98-XT
Strato-XT-M3
Type
Laptop
Laptop
Release date
9 January 2009
16 June 2015
Pipelines
800
896
Core clock speed
550 MHz
1100 MHz
Boost Clock
1100 MHz
Transistor count
956 million
2,080 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
61.60
Floating-point performance
880.0 gflops
1,971 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
1500 MHz
Memory bandwidth
56.83 GB/s
76.8 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
Shader Model
4.1
6.3
OpenGL
3.3
4.4
OpenCL
1.1
Not Listed
Vulkan
N/A
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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