Radeon HD 7870M vs Radeon R8 M445DX
In this comparison between Radeon HD 7870M and Radeon R8 M445DX 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 7870M will be the best choice, for others Radeon R8 M445DX will be their preference. Study the comparison tables below and make your choice.
Radeon HD 7870M and Radeon R8 M445DX are Laptop Graphics Cards
Note: Radeon HD 7870M and Radeon R8 M445DX are only used in laptop graphics. They have 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 HD 7870M or Radeon R8 M445DX here:
Main Specs
Radeon HD 7870M
Radeon R8 M445DX
Power consumption (TDP)
45 Watt
Interface
PCIe 3.0 x16
IGP
Memory type
GDDR5
DDR4/DDR3
Maximum RAM amount
2 GB
Display Connectors
No outputs
No outputs
Check Price
Check Price
Radeon HD 7870M is connected by PCIe 3.0 x16, and Radeon R8 M445DX uses IGP interface.
Both cards are used in Laptops.
Radeon HD 7870M and Radeon R8 M445DX are build with GCN architecture.
Core clock speed of Radeon HD 7870M is 80 MHz higher, than Radeon R8 M445DX.
Radeon HD 7870M and Radeon R8 M445DX are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870M is 3067 MHz higher, than Radeon R8 M445DX.
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
6−7
0−1
ultra / 1080p
4−5
−
QHD / 1440p
0−1
0−1
low / 720p
16−18
1−2
medium / 1080p
8−9
0−1
The average gaming FPS of Radeon HD 7870M in Assassin's Creed Odyssey is 1600% more, than Radeon R8 M445DX.
high / 1080p
12−14
−
ultra / 1080p
10−11
−
QHD / 1440p
0−1
0−1
low / 720p
24−27
0−1
medium / 1080p
12−14
−
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R8 M445DX in Call of Duty: Warzone is 6% more, than Radeon HD 7870M.
low / 768p
130−140
60−65
medium / 768p
110−120
27−30
ultra / 1080p
50−55
7−8
QHD / 1440p
30−33
−
4K / 2160p
27−30
−
high / 768p
80−85
16−18
The average gaming FPS of Radeon HD 7870M in Counter-Strike: Global Offensive is 242% more, than Radeon R8 M445DX.
low / 768p
55−60
70−75
ultra / 1080p
18−20
0−1
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R8 M445DX in Cyberpunk 2077 is 15% more, than Radeon HD 7870M.
low / 768p
80−85
45−50
medium / 768p
60−65
10−11
ultra / 1080p
30−35
0−1
The average gaming FPS of Radeon HD 7870M in Dota 2 is 148% more, than Radeon R8 M445DX.
high / 1080p
8−9
−
ultra / 1080p
8−9
−
4K / 2160p
3−4
−
low / 720p
18−20
0−1
medium / 1080p
9−10
−
high / 1080p
14−16
−
ultra / 1080p
10−11
−
low / 720p
60−65
21−24
medium / 1080p
21−24
0−1
The average gaming FPS of Radeon HD 7870M in Fortnite is 181% more, than Radeon R8 M445DX.
high / 1080p
12−14
0−1
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
24−27
0−1
medium / 1080p
14−16
0−1
low / 768p
50−55
18−20
medium / 768p
45−50
−
high / 1080p
12−14
0−1
ultra / 1080p
6−7
−
QHD / 1440p
0−1
0−1
medium / 720p
−
12−14
The average gaming FPS of Radeon HD 7870M in Grand Theft Auto V is 173% more, than Radeon R8 M445DX.
high / 1080p
5−6
−
ultra / 1080p
3−4
−
4K / 2160p
0−1
−
low / 720p
12−14
0−1
medium / 1080p
6−7
−
low / 768p
95−100
75−80
high / 1080p
90−95
27−30
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Radeon HD 7870M in Minecraft is 79% more, than Radeon R8 M445DX.
high / 1080p
16−18
−
ultra / 1080p
14−16
−
low / 720p
30−35
8−9
medium / 1080p
18−20
−
The average gaming FPS of Radeon HD 7870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 300% more, than Radeon R8 M445DX.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
−
low / 720p
12−14
0−1
medium / 1080p
10−12
−
low / 768p
24−27
0−1
medium / 768p
16−18
−
high / 1080p
9−10
−
ultra / 1080p
6−7
−
4K / 2160p
6−7
−
low / 768p
85−90
45−50
medium / 768p
45−50
14−16
ultra / 1080p
20−22
0−1
high / 768p
35−40
12−14
The average gaming FPS of Radeon HD 7870M in World of Tanks is 128% more, than Radeon R8 M445DX.
Full Specs
Radeon HD 7870M
Radeon R8 M445DX
Architecture
GCN
GCN
Code name
Heathrow XT
Meso
Type
Laptop
Laptop
Release date
24 April 2012
1 June 2016
Pipelines
640
704
Core clock speed
800 MHz
720 / 1020 MHz
Boost Clock
1021 MHz
Transistor count
1,500 million
1,550 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
32.00
20.42
Floating-point performance
1,024 gflops
Memory bus width
128 Bit
128 + 64 Bit
Memory clock speed
4000 MHz
933 / 1000 MHz
Memory bandwidth
64 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (12_0)
Shader Model
5.1
6.0
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
Laptop size
large
medium sized
Check Price
Check Price