Radeon HD 4870 vs Radeon R9 M390X
In this comparison between Radeon HD 4870 and Radeon R9 M390X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 4870 will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
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 4870
Radeon R9 M390X
Power consumption (TDP)
150 Watt
100 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4870 has 50% more power consumption, than Radeon R9 M390X.
Radeon HD 4870 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 4870.
Radeon HD 4870 is used in Desktops, and Radeon R9 M390X - in Laptops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Radeon HD 4870 is 27 MHz higher, than Radeon R9 M390X.
Radeon HD 4870 is manufactured by 55 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
3−4
21−24
ultra / 1080p
1−2
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
14−16
40−45
medium / 1080p
6−7
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 333% more, than Radeon HD 4870.
high / 1080p
8−9
35−40
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
21−24
70−75
medium / 1080p
9−10
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 318% more, than Radeon HD 4870.
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 4870.
low / 768p
120−130
230−240
medium / 768p
100−110
210−220
ultra / 1080p
45−50
120−130
QHD / 1440p
24−27
100−110
4K / 2160p
−
55−60
high / 768p
75−80
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 125% more, than Radeon HD 4870.
low / 768p
70−75
60−65
ultra / 1080p
21−24
55−60
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 31% more, than Radeon HD 4870.
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 M390X in Dota 2 is 98% more, than Radeon HD 4870.
high / 1080p
4−5
27−30
ultra / 1080p
4−5
24−27
QHD / 1440p
−
20−22
4K / 2160p
1−2
9−10
low / 720p
14−16
55−60
medium / 1080p
6−7
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 400% more, than Radeon HD 4870.
high / 1080p
12−14
35−40
ultra / 1080p
7−8
27−30
QHD / 1440p
4−5
16−18
low / 720p
60−65
130−140
medium / 1080p
18−20
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 180% more, than Radeon HD 4870.
high / 1080p
7−8
35−40
ultra / 1080p
7−8
27−30
QHD / 1440p
0−1
16−18
4K / 2160p
−
14−16
low / 720p
21−24
75−80
medium / 1080p
10−11
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 283% more, than Radeon HD 4870.
low / 768p
50−55
110−120
medium / 768p
−
95−100
high / 1080p
10−11
45−50
ultra / 1080p
4−5
18−20
QHD / 1440p
0−1
9−10
medium / 720p
40−45
−
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 172% more, than Radeon HD 4870.
high / 1080p
2−3
14−16
ultra / 1080p
0−1
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
9−10
40−45
medium / 1080p
4−5
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 420% more, than Radeon HD 4870.
low / 768p
85−90
120−130
high / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 43% more, than Radeon HD 4870.
ultra / 1080p
12−14
14−16
low / 720p
30−35
75−80
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 85% more, than Radeon HD 4870.
high / 1080p
7−8
16−18
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
8−9
40−45
medium / 1080p
8−9
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 228% more, than Radeon HD 4870.
low / 768p
18−20
80−85
medium / 768p
12−14
50−55
high / 1080p
7−8
27−30
ultra / 1080p
5−6
16−18
4K / 2160p
1−2
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 322% more, than Radeon HD 4870.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 50% more, than Radeon HD 4870.
Full Specs
Radeon HD 4870
Radeon R9 M390X
Architecture
TeraScale
GCN 3
Code name
RV770
Amethyst (XT) / Tonga
Type
Desktop
Laptop
Release date
25 June 2008
9 June 2015
Pipelines
800
2048
Core clock speed
750 MHz
723 MHz
Transistor count
956 million
5,000 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
30.00
92.54
Floating-point performance
1,200.0 gflops
2,961 gflops
Length
250 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
Memory bandwidth
115.2 GB/s
160.0 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
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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