Mobility Radeon HD 4870 vs Radeon HD 4850
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon HD 4850, 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 HD 4850, 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 HD 4850
Power consumption (TDP)
110 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Display Connectors
No outputs
2x DVI, 1x S-Video
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 4850 has 511 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Radeon HD 4850 - in Desktops.
Mobility Radeon HD 4870 and Radeon HD 4850 are build with Terascale 1 architecture.
Core clock speed of Radeon HD 4850 is 75 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 and Radeon HD 4850 are manufactured by 55 nm process technology.
Memory clock speed of Radeon HD 4850 is 105 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
1−2
ultra / 1080p
4−5
0−1
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 83% more, than Radeon HD 4850.
high / 1080p
12−14
6−7
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
6−7
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 87% more, than Radeon HD 4850.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 in Call of Duty: Warzone is 4% more, than Radeon HD 4850.
low / 768p
140−150
120−130
medium / 768p
110−120
95−100
ultra / 1080p
55−60
40−45
QHD / 1440p
30−33
21−24
4K / 2160p
27−30
10−11
high / 768p
80−85
65−70
The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 26% more, than Radeon HD 4850.
low / 768p
55−60
85−90
ultra / 1080p
20−22
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 16% more, than Mobility Radeon HD 4870.
low / 768p
80−85
80−85
medium / 768p
60−65
55−60
ultra / 1080p
35−40
27−30
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 7% more, than Radeon HD 4850.
high / 1080p
8−9
2−3
ultra / 1080p
8−9
2−3
4K / 2160p
3−4
1−2
low / 720p
18−20
10−12
medium / 1080p
9−10
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 125% more, than Radeon HD 4850.
high / 1080p
14−16
10−11
ultra / 1080p
10−11
5−6
QHD / 1440p
−
1−2
low / 720p
60−65
50−55
medium / 1080p
24−27
12−14
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 40% more, than Radeon HD 4850.
high / 1080p
12−14
5−6
ultra / 1080p
10−12
−
QHD / 1440p
1−2
3−4
4K / 2160p
−
2−3
low / 720p
27−30
16−18
medium / 1080p
14−16
7−8
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 75% more, than Radeon HD 4850.
low / 768p
50−55
45−50
medium / 768p
45−50
35−40
high / 1080p
12−14
6−7
ultra / 1080p
6−7
3−4
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 26% more, than Radeon HD 4850.
high / 1080p
5−6
1−2
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
−
low / 720p
12−14
5−6
medium / 1080p
6−7
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Metro Exodus is 166% more, than Radeon HD 4850.
low / 768p
95−100
95−100
high / 1080p
90−95
60−65
ultra / 1080p
80−85
−
medium / 1080p
90−95
85−90
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 14% more, than Radeon HD 4850.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−35
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Radeon HD 4850.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
−
low / 720p
12−14
5−6
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 160% more, than Radeon HD 4850.
low / 768p
24−27
12−14
medium / 768p
16−18
9−10
high / 1080p
9−10
5−6
ultra / 1080p
6−7
4−5
4K / 2160p
6−7
1−2
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 116% more, than Radeon HD 4850.
low / 768p
85−90
65−70
medium / 768p
45−50
35−40
ultra / 1080p
20−22
14−16
high / 768p
35−40
27−30
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 29% more, than Radeon HD 4850.
Full Specs
Mobility Radeon HD 4870
Radeon HD 4850
Architecture
Terascale 1
Terascale 1
Code name
M98-XT
RV770
Type
Laptop
Desktop
Release date
9 January 2009
25 June 2008
Pipelines
800
800
Core clock speed
550 MHz
625 MHz
Transistor count
956 million
956 million
Manufacturing process technology
55 nm
55 nm
Texture fill rate
22.00
25.00
Floating-point performance
880.0 gflops
1,000.0 gflops
Length
246 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
993 MHz
Memory bandwidth
56.83 GB/s
63.55 GB/s
Shared memory
-
DirectX
10.1 (10_1)
10.1 (10_1)
Shader Model
4.1
4.1
OpenGL
3.3
3.3
OpenCL
1.1
1.1
Vulkan
N/A
N/A
Laptop size
large
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