Radeon HD 7850 vs Radeon RX 640

When choosing between Radeon HD 7850 and Radeon RX 640, 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 Radeon HD 7850 and Radeon RX 640.

Radeon HD 7850 Check Price

Radeon RX 640 Check Price

Radeon RX 640 is a Laptop Graphics Card

Note: Radeon RX 640 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 Radeon RX 640 here:

Radeon RX 640 Laptops

Main Specs

	Radeon HD 7850	Radeon RX 640
Power consumption (TDP)	225 Watt	50 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Supplementary power connectors	1x 6-pin	None
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	4 GB
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 1x HDMI, 1x DisplayPort
	Check Price	Check Price

Radeon HD 7850 has 350% more power consumption, than Radeon RX 640.
Radeon HD 7850 is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon RX 640 has 2 GB more memory, than Radeon HD 7850.
Radeon HD 7850 is used in Desktops, and Radeon RX 640 - in Laptops.
Radeon HD 7850 is build with GCN 1.0 architecture, and Radeon RX 640 - with Polaris.
Radeon HD 7850 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4800 MHz higher, than Radeon HD 7850.

Game benchmarks


high / 1080p	18−20	5−6
ultra / 1080p	10−12	3−4
QHD / 1440p	5−6	2−3
4K / 2160p	4−5	−
low / 720p	35−40	16−18
medium / 1080p	24−27	7−8
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 171% more, than Radeon RX 640.
high / 1080p	30−33	10−12
ultra / 1080p	24−27	8−9
QHD / 1440p	10−11	0−1
4K / 2160p	7−8	−
low / 720p	60−65	24−27
medium / 1080p	30−35	10−12
The average gaming FPS of Radeon HD 7850 in Battlefield 5 is 171% more, than Radeon RX 640.
low / 768p	50−55	45−50
high / 1080p	−	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7850 in Call of Duty: Warzone is 10% more, than Radeon RX 640.
low / 768p	220−230	130−140
medium / 768p	190−200	100−110
ultra / 1080p	110−120	50−55
QHD / 1440p	80−85	27−30
4K / 2160p	40−45	12−14
high / 768p	160−170	80−85
The average gaming FPS of Radeon HD 7850 in Counter-Strike: Global Offensive is 98% more, than Radeon RX 640.
low / 768p	60−65	50−55
ultra / 1080p	45−50	18−20
medium / 1080p	55−60	45−50
The average gaming FPS of Radeon HD 7850 in Cyberpunk 2077 is 41% more, than Radeon RX 640.
low / 768p	110−120	80−85
medium / 768p	100−110	55−60
ultra / 1080p	75−80	30−35
The average gaming FPS of Radeon HD 7850 in Dota 2 is 73% more, than Radeon RX 640.
high / 1080p	21−24	7−8
ultra / 1080p	21−24	5−6
QHD / 1440p	18−20	−
4K / 2160p	7−8	5−6
low / 720p	50−55	18−20
medium / 1080p	24−27	8−9
The average gaming FPS of Radeon HD 7850 in Far Cry 5 is 188% more, than Radeon RX 640.
high / 1080p	30−35	7−8
ultra / 1080p	21−24	0−1
QHD / 1440p	14−16	0−1
low / 720p	110−120	60−65
medium / 1080p	65−70	18−20
The average gaming FPS of Radeon HD 7850 in Fortnite is 144% more, than Radeon RX 640.
high / 1080p	30−35	10−11
ultra / 1080p	24−27	−
QHD / 1440p	12−14	−
4K / 2160p	12−14	8−9
low / 720p	65−70	24−27
medium / 1080p	35−40	12−14
The average gaming FPS of Radeon HD 7850 in Forza Horizon 4 is 164% more, than Radeon RX 640.
low / 768p	100−105	50−55
medium / 768p	90−95	−
high / 1080p	35−40	10−12
ultra / 1080p	14−16	5−6
QHD / 1440p	6−7	−
medium / 720p	−	45−50
The average gaming FPS of Radeon HD 7850 in Grand Theft Auto V is 121% more, than Radeon RX 640.
high / 1080p	12−14	3−4
ultra / 1080p	9−10	1−2
4K / 2160p	2−3	−
low / 720p	35−40	10−11
medium / 1080p	16−18	5−6
The average gaming FPS of Radeon HD 7850 in Metro Exodus is 280% more, than Radeon RX 640.
low / 768p	110−120	90−95
ultra / 1080p	−	80−85
medium / 1080p	110−120	−
The average gaming FPS of Radeon HD 7850 in Minecraft is 25% more, than Radeon RX 640.
high / 1080p	−	6−7
ultra / 1080p	14−16	2−3
4K / 2160p	−	0−1
low / 720p	65−70	27−30
medium / 1080p	18−20	10−11
The average gaming FPS of Radeon HD 7850 in PLAYERUNKNOWN'S BATTLEGROUNDS is 153% more, than Radeon RX 640.
high / 1080p	14−16	−
ultra / 1080p	10−11	−
QHD / 1440p	1−2	−
4K / 2160p	0−1	−
low / 720p	35−40	10−12
medium / 1080p	20−22	9−10
The average gaming FPS of Radeon HD 7850 in Red Dead Redemption 2 is 190% more, than Radeon RX 640.
low / 768p	70−75	21−24
medium / 768p	40−45	14−16
high / 1080p	24−27	6−7
ultra / 1080p	12−14	4−5
4K / 2160p	7−8	3−4
The average gaming FPS of Radeon HD 7850 in The Witcher 3: Wild Hunt is 220% more, than Radeon RX 640.
low / 768p	90−95	75−80
medium / 768p	60−65	40−45
ultra / 1080p	40−45	18−20
high / 768p	55−60	35−40
The average gaming FPS of Radeon HD 7850 in World of Tanks is 43% more, than Radeon RX 640.

Full Specs

	Radeon HD 7850	Radeon RX 640
Architecture	GCN 1.0	Polaris
Code name	Pitcairn	Polaris 12
Type	Desktop	Laptop
Release date	5 March 2012	12 August 2019
Pipelines	1024	640
Core clock speed		1218 MHz
Boost Clock	1000 MHz	1218 MHz
Transistor count	2,800 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	55.04	38.98
Floating-point performance	1,761 gflops
Length	210 mm
Memory bus width	256 Bit	64 Bit
Memory clock speed	1200 MHz	6000 MHz
Memory bandwidth	153.6 GB/s	112.0 GB/s
Shared memory		-
DirectX		12 (12_0)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan		1.2.131
FreeSync	+	+
Bus support	PCIe 2.1 x16
HDMI	+
Bitcoin / BTC (SHA256)	249 Mh/s
Laptop size		large
Eyefinity	+
Design	reference
CrossFire	+
Ethereum / ETH (DaggerHashimoto)	12.5 Mh/s
	Check Price	Check Price

Radeon HD 7850 vs Radeon RX 640

Radeon RX 640 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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