Mobility Radeon HD 4870 vs Radeon HD 6850M
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 and Radeon HD 6850M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 4870 and Radeon HD 6850M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 4870 and Radeon HD 6850M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Radeon HD 6850M 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 HD 6850M here:
Main Specs
Mobility Radeon HD 4870
Radeon HD 6850M
Power consumption (TDP)
50 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
1 GB
Display Connectors
No outputs
No outputs
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 4870 and Radeon HD 6850M have maximum RAM of 1 GB.
Both cards are used in Laptops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 6850M - with Terascale 2.
Core clock speed of Radeon HD 6850M is 25 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
Memory clock speed of Mobility Radeon HD 4870 is 88 MHz higher, than Radeon HD 6850M.
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
2−3
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 6850M.
high / 1080p
12−14
−
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
14−16
medium / 1080p
12−14
6−7
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 100% more, than Radeon HD 6850M.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6850M in Call of Duty: Warzone is 6% more, than Mobility Radeon HD 4870.
low / 768p
140−150
120−130
medium / 768p
110−120
95−100
ultra / 1080p
55−60
40−45
QHD / 1440p
30−33
−
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 25% more, than Radeon HD 6850M.
low / 768p
55−60
70−75
ultra / 1080p
20−22
16−18
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6850M in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 4870.
low / 768p
80−85
75−80
medium / 768p
60−65
45−50
ultra / 1080p
35−40
21−24
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 22% more, than Radeon HD 6850M.
high / 1080p
8−9
3−4
ultra / 1080p
8−9
3−4
4K / 2160p
3−4
1−2
low / 720p
18−20
12−14
medium / 1080p
9−10
4−5
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 80% more, than Radeon HD 6850M.
high / 1080p
14−16
10−12
ultra / 1080p
10−11
6−7
QHD / 1440p
−
2−3
low / 720p
60−65
50−55
medium / 1080p
24−27
10−12
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 40% more, than Radeon HD 6850M.
high / 1080p
12−14
4−5
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
27−30
18−20
medium / 1080p
14−16
7−8
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 80% more, than Radeon HD 6850M.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
5−6
ultra / 1080p
6−7
3−4
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 33% more, than Radeon HD 6850M.
high / 1080p
5−6
1−2
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
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 6850M.
low / 768p
95−100
90−95
high / 1080p
90−95
60−65
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 23% more, than Radeon HD 6850M.
high / 1080p
16−18
14−16
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 17% more, than Radeon HD 6850M.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
6−7
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 100% more, than Radeon HD 6850M.
low / 768p
24−27
10−12
medium / 768p
16−18
8−9
high / 1080p
9−10
4−5
ultra / 1080p
6−7
3−4
4K / 2160p
6−7
0−1
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 133% more, than Radeon HD 6850M.
low / 768p
85−90
75−80
medium / 768p
45−50
40−45
ultra / 1080p
20−22
14−16
high / 768p
35−40
30−35
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 17% more, than Radeon HD 6850M.
Full Specs
Mobility Radeon HD 4870
Radeon HD 6850M
Architecture
Terascale 1
Terascale 2
Code name
M98-XT
Granville Pro/LP
Type
Laptop
Laptop
Release date
9 January 2009
6 January 2011
Pipelines
800
800
Core clock speed
550 MHz
575 / 675 MHz
Transistor count
956 million
1,040 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
22.00
27.00
Floating-point performance
880.0 gflops
1,080.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
800 MHz
Memory bandwidth
56.83 GB/s
25.6 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Laptop size
large
large
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