Mobility Radeon HD 4850 vs Radeon HD 6870

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4850 and Radeon HD 6870, 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 4850 stacks up against Radeon HD 6870, check out specs charts below.

Mobility Radeon HD 4850 Check Price

Radeon HD 6870 Check Price

Mobility Radeon HD 4850 is a Laptop Graphics Card

Note: Mobility Radeon HD 4850 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 4850 here:

Mobility Radeon HD 4850 Laptops

Main Specs

	Mobility Radeon HD 4850	Radeon HD 6870
Power consumption (TDP)		151 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors		2x 6-pin
Memory type	GDDR3	GDDR5
Maximum RAM amount	1 GB	1 GB
Display Connectors	No outputs	2x DVI, 1x HDMI, 2x mini-DisplayPort
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 4850 and Radeon HD 6870 have maximum RAM of 1 GB.
Mobility Radeon HD 4850 is used in Laptops, and Radeon HD 6870 - in Desktops.
Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 6870 - with Terascale 2.
Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
Memory clock speed of Radeon HD 6870 is 200 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks


high / 1080p	3−4	10−12
ultra / 1080p	1−2	6−7
QHD / 1440p	0−1	1−2
low / 720p	14−16	24−27
medium / 1080p	5−6	12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 133% more, than Mobility Radeon HD 4850.
high / 1080p	8−9	18−20
ultra / 1080p	6−7	14−16
QHD / 1440p	0−1	1−2
low / 720p	18−20	35−40
medium / 1080p	8−9	20−22
The average gaming FPS of Radeon HD 6870 in Battlefield 5 is 130% more, than Mobility Radeon HD 4850.
low / 768p	50−55	45−50
high / 1080p	40−45	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Mobility Radeon HD 4850 in Call of Duty: Warzone is 10% more, than Radeon HD 6870.
low / 768p	130−140	180−190
medium / 768p	100−110	140−150
ultra / 1080p	45−50	75−80
QHD / 1440p	24−27	40−45
4K / 2160p	18−20	30−33
high / 768p	75−80	110−120
The average gaming FPS of Radeon HD 6870 in Counter-Strike: Global Offensive is 45% more, than Mobility Radeon HD 4850.
low / 768p	65−70	55−60
ultra / 1080p	21−24	30−33
medium / 1080p	45−50	45−50
Mobility Radeon HD 4850 and Radeon HD 6870 have the same average FPS in Cyberpunk 2077.
low / 768p	75−80	95−100
medium / 768p	50−55	75−80
ultra / 1080p	24−27	50−55
The average gaming FPS of Radeon HD 6870 in Dota 2 is 47% more, than Mobility Radeon HD 4850.
high / 1080p	4−5	12−14
ultra / 1080p	4−5	12−14
4K / 2160p	2−3	5−6
low / 720p	14−16	27−30
medium / 1080p	5−6	14−16
The average gaming FPS of Radeon HD 6870 in Far Cry 5 is 150% more, than Mobility Radeon HD 4850.
high / 1080p	12−14	20−22
ultra / 1080p	7−8	14−16
QHD / 1440p	4−5	−
low / 720p	55−60	80−85
medium / 1080p	14−16	35−40
The average gaming FPS of Radeon HD 6870 in Fortnite is 69% more, than Mobility Radeon HD 4850.
high / 1080p	7−8	18−20
ultra / 1080p	−	14−16
QHD / 1440p	4−5	5−6
4K / 2160p	3−4	−
low / 720p	21−24	40−45
medium / 1080p	10−11	21−24
The average gaming FPS of Radeon HD 6870 in Forza Horizon 4 is 100% more, than Mobility Radeon HD 4850.
low / 768p	50−55	70−75
medium / 768p	−	60−65
high / 1080p	7−8	21−24
ultra / 1080p	3−4	9−10
QHD / 1440p	0−1	0−1
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 6870 in Grand Theft Auto V is 61% more, than Mobility Radeon HD 4850.
high / 1080p	2−3	7−8
ultra / 1080p	1−2	5−6
4K / 2160p	0−1	1−2
low / 720p	7−8	21−24
medium / 1080p	4−5	9−10
The average gaming FPS of Radeon HD 6870 in Metro Exodus is 175% more, than Mobility Radeon HD 4850.
low / 768p	90−95	100−110
high / 1080p	85−90	−
ultra / 1080p	85−90	90−95
4K / 2160p	75−80	−
medium / 1080p	−	100−105
The average gaming FPS of Radeon HD 6870 in Minecraft is 8% more, than Mobility Radeon HD 4850.
high / 1080p	−	18−20
ultra / 1080p	12−14	16−18
low / 720p	30−35	45−50
medium / 1080p	14−16	21−24
The average gaming FPS of Radeon HD 6870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 45% more, than Mobility Radeon HD 4850.
high / 1080p	−	12−14
ultra / 1080p	7−8	8−9
QHD / 1440p	−	0−1
low / 720p	8−9	20−22
medium / 1080p	8−9	12−14
The average gaming FPS of Radeon HD 6870 in Red Dead Redemption 2 is 75% more, than Mobility Radeon HD 4850.
low / 768p	14−16	40−45
medium / 768p	10−11	24−27
high / 1080p	5−6	14−16
ultra / 1080p	4−5	8−9
4K / 2160p	2−3	7−8
The average gaming FPS of Radeon HD 6870 in The Witcher 3: Wild Hunt is 171% more, than Mobility Radeon HD 4850.
low / 768p	80−85	95−100
medium / 768p	40−45	55−60
ultra / 1080p	16−18	27−30
high / 768p	30−35	45−50
The average gaming FPS of Radeon HD 6870 in World of Tanks is 32% more, than Mobility Radeon HD 4850.

Full Specs

	Mobility Radeon HD 4850	Radeon HD 6870
Architecture	Terascale 1	Terascale 2
Code name	M98	RV940 Barts
Type	Laptop	Desktop
Release date	9 January 2009	22 October 2010
Pipelines	800	1120
Core clock speed	500 MHz
Boost Clock		900 MHz
Transistor count	956 million	1,700 million
Manufacturing process technology	55 nm	40 nm
Texture fill rate	20.00	50.40
Floating-point performance	800.0 gflops	2,016.0 gflops
Length		220 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	850 MHz	1050 MHz
Memory bandwidth	54.4 GB/s	134.4 GB/s
Shared memory	-	-
DirectX	10.1 (10_1)
Shader Model	4.1	5.0
OpenGL	3.3	4.4
OpenCL	1.1	1.2
Vulkan	N/A
Bus support		PCIe 2.0 x16
HDMI		+
Bitcoin / BTC (SHA256)		213 Mh/s
Laptop size	large
Eyefinity		+
Design		reference
CrossFire		+
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Mobility Radeon HD 4850 vs Radeon HD 6870

Mobility Radeon HD 4850 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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