Mobility Radeon HD 4870 vs Radeon R9 380X
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon R9 380X, 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 Mobility Radeon HD 4870 stacks up against Radeon R9 380X, check out specs charts below.
Mobility Radeon HD 4870 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 here:
Main Specs
Mobility Radeon HD 4870
Radeon R9 380X
Power consumption (TDP)
190 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R9 380X uses PCIe 3.0 x16 interface.
Radeon R9 380X has 3 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Radeon R9 380X - in Desktops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R9 380X - with GCN 3.0.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R9 380X - by 28 nm process technology.
Memory clock speed of Radeon R9 380X is 82 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
35−40
ultra / 1080p
4−5
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
16−18
60−65
medium / 1080p
8−9
40−45
The average gaming FPS of Radeon R9 380X in Assassin's Creed Odyssey is 355% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
55−60
ultra / 1080p
10−11
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
24−27
100−110
medium / 1080p
12−14
60−65
The average gaming FPS of Radeon R9 380X in Battlefield 5 is 353% more, than Mobility Radeon HD 4870.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 380X in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 4870.
low / 768p
140−150
250−260
medium / 768p
110−120
220−230
ultra / 1080p
55−60
180−190
QHD / 1440p
30−33
110−120
4K / 2160p
27−30
70−75
high / 768p
80−85
210−220
The average gaming FPS of Radeon R9 380X in Counter-Strike: Global Offensive is 132% more, than Mobility Radeon HD 4870.
low / 768p
55−60
60−65
ultra / 1080p
20−22
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 380X in Cyberpunk 2077 is 15% more, than Mobility Radeon HD 4870.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
100−110
The average gaming FPS of Radeon R9 380X in Dota 2 is 91% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
45−50
ultra / 1080p
8−9
40−45
QHD / 1440p
−
27−30
4K / 2160p
3−4
14−16
low / 720p
18−20
80−85
medium / 1080p
9−10
45−50
The average gaming FPS of Radeon R9 380X in Far Cry 5 is 422% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
60−65
ultra / 1080p
10−11
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
24−27
110−120
The average gaming FPS of Radeon R9 380X in Fortnite is 264% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
60−65
ultra / 1080p
10−12
45−50
QHD / 1440p
1−2
30−35
4K / 2160p
−
24−27
low / 720p
27−30
100−110
medium / 1080p
14−16
65−70
The average gaming FPS of Radeon R9 380X in Forza Horizon 4 is 384% more, than Mobility Radeon HD 4870.
low / 768p
50−55
140−150
medium / 768p
45−50
120−130
high / 1080p
12−14
70−75
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon R9 380X in Grand Theft Auto V is 220% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
12−14
65−70
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon R9 380X in Metro Exodus is 414% more, than Mobility Radeon HD 4870.
low / 768p
95−100
130−140
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon R9 380X in Minecraft is 36% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 380X in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Mobility Radeon HD 4870.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
12−14
65−70
medium / 1080p
10−12
35−40
The average gaming FPS of Radeon R9 380X in Red Dead Redemption 2 is 300% more, than Mobility Radeon HD 4870.
low / 768p
24−27
130−140
medium / 768p
16−18
85−90
high / 1080p
9−10
45−50
ultra / 1080p
6−7
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of Radeon R9 380X in The Witcher 3: Wild Hunt is 376% more, than Mobility Radeon HD 4870.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
20−22
50−55
high / 768p
35−40
60−65
The average gaming FPS of Radeon R9 380X in World of Tanks is 39% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Radeon R9 380X
Architecture
Terascale 1
GCN 3.0
Code name
M98-XT
Antigua
Type
Laptop
Desktop
Release date
9 January 2009
19 November 2015
Pipelines
800
2048
Core clock speed
550 MHz
Boost Clock
970 MHz
Transistor count
956 million
5,000 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
124.2
Floating-point performance
880.0 gflops
3,973 gflops
Length
221 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
970 MHz
Memory bandwidth
56.83 GB/s
182.4 GB/s
Shared memory
-
DirectX
10.1 (10_1)
Shader Model
4.1
6.3
OpenGL
3.3
4.5
OpenCL
1.1
2.0
Vulkan
N/A
+
Monero / XMR (CryptoNight)
0.58 kh/s
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
TrueAudio
+
ZeroCore
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Decred / DCR (Decred)
0.89 Gh/s
Ethereum / ETH (DaggerHashimoto)
20.63 Mh/s
Zcash / ZEC (Equihash)
175 Sol/s
Compute units
32
Form factor
full height / full length
High bandwidth memory (HBM)
-
LiquidVR
+
FRTC
+
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