Mobility Radeon HD 4870 vs Radeon HD 7870 XT

When choosing between Mobility Radeon HD 4870 and Radeon HD 7870 XT, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 4870 and Radeon HD 7870 XT.

Mobility Radeon HD 4870 Check Price

Radeon HD 7870 XT

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:

Mobility Radeon HD 4870 Laptops

Main Specs

	Mobility Radeon HD 4870	Radeon HD 7870 XT
Power consumption (TDP)		185 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors		2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	2 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 7870 XT uses PCIe 3.0 x16 interface.
Radeon HD 7870 XT has 1 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Radeon HD 7870 XT - in Desktops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 7870 XT - with GCN 1.0.
Core clock speed of Radeon HD 7870 XT is 375 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7870 XT - by 28 nm process technology.
Memory clock speed of Radeon HD 7870 XT is 5112 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks


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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT 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 HD 7870 XT in World of Tanks is 39% more, than Mobility Radeon HD 4870.

Full Specs

	Mobility Radeon HD 4870	Radeon HD 7870 XT
Architecture	Terascale 1	GCN 1.0
Code name	M98-XT	Tahiti
Type	Laptop	Desktop
Release date	9 January 2009	19 November 2012
Pipelines	800	1536
Core clock speed	550 MHz	925 MHz
Boost Clock		975 MHz
Transistor count	956 million	4,313 million
Manufacturing process technology	55 nm	28 nm
Texture fill rate	22.00	93.60
Floating-point performance	880.0 gflops	2,995 gflops
Length		267 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	888 MHz	6000 MHz
Memory bandwidth	56.83 GB/s	192.0 GB/s
Shared memory	-
DirectX	10.1 (10_1)	12 (11_1)
Shader Model	4.1	5.1
OpenGL	3.3	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.2.131
Bitcoin / BTC (SHA256)		346 Mh/s
Laptop size	large
Ethereum / ETH (DaggerHashimoto)		14.5 Mh/s
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Mobility Radeon HD 4870 vs Radeon HD 7870 XT

Mobility Radeon HD 4870 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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