GeForce 845M vs Radeon HD 7870
In this comparison between GeForce 845M and Radeon HD 7870 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 GeForce 845M will be the best choice, for others Radeon HD 7870 will be their preference. Study the comparison tables below and make your choice.
GeForce 845M is a Laptop Graphics Card
Note: GeForce 845M 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 GeForce 845M here:
Main Specs
GeForce 845M
Radeon HD 7870
Power consumption (TDP)
45 Watt
175 Watt
Interface
PCIe 3.0 x8
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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Radeon HD 7870 has 288% more power consumption, than GeForce 845M.
GeForce 845M and Radeon HD 7870 have maximum RAM of 2 GB.
GeForce 845M is used in Laptops, and Radeon HD 7870 - in Desktops.
GeForce 845M is build with Maxwell architecture, and Radeon HD 7870 - with GCN.
Core clock speed of GeForce 845M is 71 MHz higher, than Radeon HD 7870.
GeForce 845M and Radeon HD 7870 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870 is 2800 MHz higher, than GeForce 845M.
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
3−4
24−27
ultra / 1080p
1−2
14−16
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
14−16
45−50
medium / 1080p
6−7
30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 383% more, than GeForce 845M.
high / 1080p
10−11
35−40
ultra / 1080p
7−8
30−35
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
21−24
75−80
medium / 1080p
10−11
40−45
The average gaming FPS of Radeon HD 7870 in Battlefield 5 is 291% more, than GeForce 845M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7870 in Call of Duty: Warzone is 10% more, than GeForce 845M.
low / 768p
130−140
240−250
medium / 768p
100−110
210−220
ultra / 1080p
50−55
130−140
QHD / 1440p
24−27
100−110
4K / 2160p
12−14
60−65
high / 768p
75−80
180−190
The average gaming FPS of Radeon HD 7870 in Counter-Strike: Global Offensive is 130% more, than GeForce 845M.
low / 768p
85−90
60−65
ultra / 1080p
21−24
−
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce 845M in Cyberpunk 2077 is 11% more, than Radeon HD 7870.
low / 768p
75−80
120−130
medium / 768p
50−55
110−120
ultra / 1080p
30−33
85−90
The average gaming FPS of Radeon HD 7870 in Dota 2 is 105% more, than GeForce 845M.
high / 1080p
4−5
30−33
ultra / 1080p
4−5
27−30
QHD / 1440p
−
21−24
4K / 2160p
2−3
9−10
low / 720p
14−16
60−65
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon HD 7870 in Far Cry 5 is 433% more, than GeForce 845M.
high / 1080p
6−7
35−40
ultra / 1080p
0−1
30−33
QHD / 1440p
0−1
18−20
low / 720p
55−60
130−140
medium / 1080p
16−18
80−85
The average gaming FPS of Radeon HD 7870 in Fortnite is 214% more, than GeForce 845M.
high / 1080p
9−10
40−45
ultra / 1080p
8−9
30−33
QHD / 1440p
3−4
18−20
4K / 2160p
3−4
14−16
low / 720p
21−24
75−80
medium / 1080p
10−12
45−50
The average gaming FPS of Radeon HD 7870 in Forza Horizon 4 is 322% more, than GeForce 845M.
low / 768p
50−55
110−120
medium / 768p
−
100−110
high / 1080p
10−11
45−50
ultra / 1080p
4−5
20−22
QHD / 1440p
−
10−11
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7870 in Grand Theft Auto V is 177% more, than GeForce 845M.
high / 1080p
3−4
14−16
ultra / 1080p
1−2
12−14
QHD / 1440p
−
10−12
4K / 2160p
−
4−5
low / 720p
10−11
45−50
medium / 1080p
4−5
21−24
The average gaming FPS of Radeon HD 7870 in Metro Exodus is 380% more, than GeForce 845M.
low / 768p
90−95
120−130
high / 1080p
65−70
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon HD 7870 in Minecraft is 30% more, than GeForce 845M.
high / 1080p
5−6
−
ultra / 1080p
1−2
14−16
4K / 2160p
0−1
−
low / 720p
27−30
75−80
medium / 1080p
9−10
18−20
The average gaming FPS of Radeon HD 7870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 184% more, than GeForce 845M.
high / 1080p
−
16−18
ultra / 1080p
−
10−12
QHD / 1440p
−
4−5
4K / 2160p
−
2−3
low / 720p
10−11
45−50
medium / 1080p
8−9
24−27
The average gaming FPS of Radeon HD 7870 in Red Dead Redemption 2 is 300% more, than GeForce 845M.
low / 768p
20−22
85−90
medium / 768p
12−14
50−55
high / 1080p
6−7
30−33
ultra / 1080p
4−5
16−18
4K / 2160p
3−4
10−11
The average gaming FPS of Radeon HD 7870 in The Witcher 3: Wild Hunt is 333% more, than GeForce 845M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
16−18
45−50
high / 768p
30−35
55−60
The average gaming FPS of Radeon HD 7870 in World of Tanks is 54% more, than GeForce 845M.
Full Specs
GeForce 845M
Radeon HD 7870
Architecture
Maxwell
GCN
Code name
GM108
Pitcairn XT
Type
Laptop
Desktop
Release date
12 March 2014
5 March 2012
Pipelines
384
1280
Core clock speed
1071 MHz
1000 MHz
Boost Clock
1150 MHz
Transistor count
1,870 million
2800 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
37.63
Floating-point performance
883.7 gflops
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
2000 - 5000 MHz
4800 MHz
Memory bandwidth
40.1 GB/s
Shared memory
-
-
DirectX
12 (11_0)
DirectX 11.1, Shader 5.1
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
Monero / XMR (CryptoNight)
0.39 kh/s
Bitcoin / BTC (SHA256)
76 Mh/s
Laptop size
medium sized
Optimus
+
Eyefinity
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
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