Radeon HD 7770 vs Radeon R7 M340
When choosing between Radeon HD 7770 and Radeon R7 M340, 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 7770 and Radeon R7 M340.
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:
Main Specs
Radeon HD 7770
Radeon R7 M340
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 7770.
Radeon HD 7770 is used in Desktops, and Radeon R7 M340 - in Laptops.
Radeon HD 7770 and Radeon R7 M340 are build with GCN architecture.
Core clock speed of Radeon R7 M340 is 21 MHz higher, than Radeon HD 7770.
Radeon HD 7770 and Radeon R7 M340 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770 is 3500 MHz higher, than Radeon R7 M340.
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
10−11
0−1
ultra / 1080p
6−7
−
QHD / 1440p
1−2
0−1
low / 720p
24−27
1−2
medium / 1080p
12−14
0−1
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 2400% more, than Radeon R7 M340.
high / 1080p
16−18
−
ultra / 1080p
14−16
−
QHD / 1440p
1−2
0−1
low / 720p
35−40
0−1
medium / 1080p
18−20
−
low / 768p
45−50
50−55
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R7 M340 in Call of Duty: Warzone is 10% more, than Radeon HD 7770.
low / 768p
170−180
60−65
medium / 768p
140−150
27−30
ultra / 1080p
75−80
7−8
QHD / 1440p
40−45
−
4K / 2160p
30−33
−
high / 768p
110−120
16−18
The average gaming FPS of Radeon HD 7770 in Counter-Strike: Global Offensive is 357% more, than Radeon R7 M340.
low / 768p
55−60
70−75
ultra / 1080p
27−30
0−1
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R7 M340 in Cyberpunk 2077 is 15% more, than Radeon HD 7770.
low / 768p
95−100
45−50
medium / 768p
75−80
10−11
ultra / 1080p
45−50
0−1
The average gaming FPS of Radeon HD 7770 in Dota 2 is 200% more, than Radeon R7 M340.
high / 1080p
12−14
−
ultra / 1080p
10−12
−
4K / 2160p
5−6
−
low / 720p
27−30
0−1
medium / 1080p
12−14
−
high / 1080p
18−20
−
ultra / 1080p
14−16
−
low / 720p
80−85
21−24
medium / 1080p
35−40
0−1
The average gaming FPS of Radeon HD 7770 in Fortnite is 272% more, than Radeon R7 M340.
high / 1080p
18−20
0−1
ultra / 1080p
14−16
−
QHD / 1440p
5−6
0−1
low / 720p
35−40
0−1
medium / 1080p
21−24
0−1
low / 768p
65−70
18−20
medium / 768p
60−65
−
high / 1080p
21−24
0−1
ultra / 1080p
9−10
−
QHD / 1440p
0−1
0−1
medium / 720p
−
12−14
The average gaming FPS of Radeon HD 7770 in Grand Theft Auto V is 252% more, than Radeon R7 M340.
high / 1080p
7−8
−
ultra / 1080p
5−6
−
4K / 2160p
1−2
−
low / 720p
20−22
0−1
medium / 1080p
9−10
−
low / 768p
100−110
75−80
high / 1080p
−
27−30
ultra / 1080p
90−95
−
medium / 1080p
100−105
−
The average gaming FPS of Radeon HD 7770 in Minecraft is 36% more, than Radeon R7 M340.
high / 1080p
18−20
−
ultra / 1080p
16−18
−
low / 720p
45−50
8−9
medium / 1080p
21−24
−
The average gaming FPS of Radeon HD 7770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 487% more, than Radeon R7 M340.
high / 1080p
12−14
−
ultra / 1080p
8−9
−
QHD / 1440p
0−1
−
low / 720p
20−22
0−1
medium / 1080p
12−14
−
low / 768p
35−40
0−1
medium / 768p
24−27
−
high / 1080p
14−16
−
ultra / 1080p
8−9
−
4K / 2160p
7−8
−
low / 768p
95−100
45−50
medium / 768p
55−60
14−16
ultra / 1080p
27−30
0−1
high / 768p
45−50
12−14
The average gaming FPS of Radeon HD 7770 in World of Tanks is 168% more, than Radeon R7 M340.
Full Specs
Radeon HD 7770
Radeon R7 M340
Architecture
GCN
GCN
Code name
Cape Verde
Meso Pro DDR3
Type
Desktop
Laptop
Release date
15 February 2012
16 June 2015
Pipelines
640
320
Core clock speed
1000 MHz
1021 MHz
Boost Clock
1021 MHz
Transistor count
950 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.16
Floating-point performance
549.1 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 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
+
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
156 Mh/s
74 Mh/s
Eyefinity
+
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Compute units
6
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