Radeon HD 7870 vs Radeon R7 M340

In this comparison between Radeon HD 7870 and Radeon R7 M340 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7870 will be the best choice, for others Radeon R7 M340 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7870 Check Price

Radeon R7 M340 Check Price

Radeon R7 M340 is a Laptop Graphics Card

Note: Radeon R7 M340 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 R7 M340 here:

Radeon R7 M340 Laptops

Main Specs

	Radeon HD 7870	Radeon R7 M340
Power consumption (TDP)	175 Watt
Interface		PCIe 3.0 x8
Supplementary power connectors		None
Memory type	GDDR5	DDR3
Maximum RAM amount	2 GB	4 GB
Display Connectors		No outputs
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Radeon R7 M340 has 2 GB more memory, than Radeon HD 7870.
Radeon HD 7870 is used in Desktops, and Radeon R7 M340 - in Laptops.
Radeon HD 7870 and Radeon R7 M340 are build with GCN architecture.
Core clock speed of Radeon R7 M340 is 21 MHz higher, than Radeon HD 7870.
Radeon HD 7870 and Radeon R7 M340 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870 is 3800 MHz higher, than Radeon R7 M340.

Game benchmarks


high / 1080p	24−27	0−1
ultra / 1080p	14−16	−
QHD / 1440p	9−10	0−1
4K / 2160p	6−7	−
low / 720p	45−50	1−2
medium / 1080p	30−33	0−1
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 4600% more, than Radeon R7 M340.
high / 1080p	35−40	−
ultra / 1080p	30−35	−
QHD / 1440p	16−18	0−1
4K / 2160p	10−11	−
low / 720p	75−80	0−1
medium / 1080p	40−45	−
low / 768p	50−55	50−55
high / 1080p	−	45−50
QHD / 1440p	0−1	0−1
Radeon HD 7870 and Radeon R7 M340 have the same average FPS in Call of Duty: Warzone.
low / 768p	240−250	60−65
medium / 768p	210−220	27−30
ultra / 1080p	130−140	7−8
QHD / 1440p	100−110	−
4K / 2160p	60−65	−
high / 768p	180−190	16−18
The average gaming FPS of Radeon HD 7870 in Counter-Strike: Global Offensive is 596% more, than Radeon R7 M340.
low / 768p	60−65	70−75
ultra / 1080p	−	0−1
medium / 1080p	55−60	45−50
Radeon HD 7870 and Radeon R7 M340 have the same average FPS in Cyberpunk 2077.
low / 768p	120−130	45−50
medium / 768p	110−120	10−11
ultra / 1080p	85−90	0−1
The average gaming FPS of Radeon HD 7870 in Dota 2 is 313% more, than Radeon R7 M340.
high / 1080p	30−33	−
ultra / 1080p	27−30	−
QHD / 1440p	21−24	−
4K / 2160p	9−10	−
low / 720p	60−65	0−1
medium / 1080p	30−35	−
high / 1080p	35−40	−
ultra / 1080p	30−33	−
QHD / 1440p	18−20	−
low / 720p	130−140	21−24
medium / 1080p	80−85	0−1
The average gaming FPS of Radeon HD 7870 in Fortnite is 513% more, than Radeon R7 M340.
high / 1080p	40−45	0−1
ultra / 1080p	30−33	−
QHD / 1440p	18−20	0−1
4K / 2160p	14−16	−
low / 720p	75−80	0−1
medium / 1080p	45−50	0−1
low / 768p	110−120	18−20
medium / 768p	100−110	−
high / 1080p	45−50	0−1
ultra / 1080p	20−22	−
QHD / 1440p	10−11	0−1
medium / 720p	−	12−14
The average gaming FPS of Radeon HD 7870 in Grand Theft Auto V is 505% more, than Radeon R7 M340.
high / 1080p	14−16	−
ultra / 1080p	12−14	−
QHD / 1440p	10−12	−
4K / 2160p	4−5	−
low / 720p	45−50	0−1
medium / 1080p	21−24	−
low / 768p	120−130	75−80
high / 1080p	−	27−30
medium / 1080p	110−120	−
The average gaming FPS of Radeon HD 7870 in Minecraft is 62% more, than Radeon R7 M340.
ultra / 1080p	14−16	−
low / 720p	75−80	8−9
medium / 1080p	18−20	−
The average gaming FPS of Radeon HD 7870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 862% more, than Radeon R7 M340.
high / 1080p	16−18	−
ultra / 1080p	10−12	−
QHD / 1440p	4−5	−
4K / 2160p	2−3	−
low / 720p	45−50	0−1
medium / 1080p	24−27	−
low / 768p	85−90	0−1
medium / 768p	50−55	−
high / 1080p	30−33	−
ultra / 1080p	16−18	−
4K / 2160p	10−11	−
low / 768p	90−95	45−50
medium / 768p	60−65	14−16
ultra / 1080p	45−50	0−1
high / 768p	55−60	12−14
The average gaming FPS of Radeon HD 7870 in World of Tanks is 180% more, than Radeon R7 M340.

Full Specs

	Radeon HD 7870	Radeon R7 M340
Architecture	GCN	GCN
Code name	Pitcairn XT	Meso Pro DDR3
Type	Desktop	Laptop
Release date	5 March 2012	16 June 2015
Pipelines	1280	320
Core clock speed	1000 MHz	1021 MHz
Boost Clock		1021 MHz
Transistor count	2800 Million	950 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate		17.16
Floating-point performance		549.1 gflops
Memory bus width	256 Bit	128 Bit
Memory clock speed	4800 MHz	1000 MHz
Memory bandwidth		16 GB/s
Shared memory	-	-
DirectX	DirectX 11.1, Shader 5.1
Shader Model		5.1
OpenGL		4.4
OpenCL		Not Listed
Vulkan		+
Monero / XMR (CryptoNight)	0.39 kh/s
FreeSync		+
Bus support		PCIe 3.0
Bitcoin / BTC (SHA256)		74 Mh/s
Eyefinity	+	+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
Decred / DCR (Decred)	0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)	16.6 Mh/s
Zcash / ZEC (Equihash)	145 Sol/s
Compute units		6
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Radeon HD 7870 vs Radeon R7 M340

Radeon R7 M340 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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