Mobility Radeon HD 4870 vs Quadro K620M
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Quadro K620M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 4870 stacks up against Quadro K620M, check out specs charts below.
Mobility Radeon HD 4870 and Quadro K620M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Quadro K620M 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 Mobility Radeon HD 4870 or Quadro K620M here:
Main Specs
Mobility Radeon HD 4870
Quadro K620M
Power consumption (TDP)
30 Watt
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Quadro K620M uses MXM-A (3.0) interface.
Quadro K620M has 1 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Quadro K620M - in Mobile workstations.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Quadro K620M - with Maxwell.
Core clock speed of Quadro K620M is 479 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Quadro K620M - by 28 nm process technology.
Memory clock speed of Quadro K620M is 1112 MHz higher, than Mobility Radeon HD 4870.
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
7−8
3−4
ultra / 1080p
4−5
1−2
QHD / 1440p
0−1
0−1
low / 720p
16−18
14−16
medium / 1080p
8−9
5−6
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than Quadro K620M.
high / 1080p
12−14
7−8
ultra / 1080p
10−11
5−6
QHD / 1440p
0−1
0−1
low / 720p
24−27
18−20
medium / 1080p
12−14
8−9
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 50% more, than Quadro K620M.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 in Call of Duty: Warzone is 4% more, than Quadro K620M.
low / 768p
140−150
120−130
medium / 768p
110−120
95−100
ultra / 1080p
55−60
45−50
QHD / 1440p
30−33
24−27
4K / 2160p
27−30
−
high / 768p
80−85
70−75
The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 17% more, than Quadro K620M.
low / 768p
55−60
70−75
ultra / 1080p
20−22
20−22
medium / 1080p
45−50
40−45
The average gaming FPS of Quadro K620M in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 4870.
low / 768p
80−85
75−80
medium / 768p
60−65
55−60
ultra / 1080p
35−40
27−30
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 11% more, than Quadro K620M.
high / 1080p
8−9
4−5
ultra / 1080p
8−9
3−4
4K / 2160p
3−4
0−1
low / 720p
18−20
14−16
medium / 1080p
9−10
5−6
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 57% more, than Quadro K620M.
high / 1080p
14−16
12−14
ultra / 1080p
10−11
7−8
QHD / 1440p
−
4−5
low / 720p
60−65
55−60
medium / 1080p
24−27
14−16
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 21% more, than Quadro K620M.
high / 1080p
12−14
6−7
ultra / 1080p
10−12
6−7
QHD / 1440p
1−2
0−1
low / 720p
27−30
21−24
medium / 1080p
14−16
9−10
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 45% more, than Quadro K620M.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
8−9
ultra / 1080p
6−7
3−4
QHD / 1440p
0−1
0−1
medium / 720p
−
40−45
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 26% more, than Quadro K620M.
high / 1080p
5−6
2−3
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
6−7
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Metro Exodus is 100% more, than Quadro K620M.
low / 768p
95−100
85−90
high / 1080p
90−95
65−70
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 23% more, than Quadro K620M.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−35
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Quadro K620M.
high / 1080p
−
6−7
ultra / 1080p
7−8
4−5
QHD / 1440p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 66% more, than Quadro K620M.
low / 768p
24−27
16−18
medium / 768p
16−18
12−14
high / 1080p
9−10
6−7
ultra / 1080p
6−7
4−5
4K / 2160p
6−7
1−2
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 62% more, than Quadro K620M.
low / 768p
85−90
70−75
medium / 768p
45−50
35−40
ultra / 1080p
20−22
16−18
high / 768p
35−40
30−35
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 23% more, than Quadro K620M.
Full Specs
Mobility Radeon HD 4870
Quadro K620M
Architecture
Terascale 1
Maxwell
Code name
M98-XT
GM108
Type
Laptop
Mobile workstation
Release date
9 January 2009
1 March 2015
Pipelines
800
384
Core clock speed
550 MHz
1029 MHz
Boost Clock
1124 MHz
Transistor count
956 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
17.98
Floating-point performance
880.0 gflops
863.2 gflops
Memory bus width
256 Bit
64 Bit
Memory clock speed
888 MHz
2000 MHz
Memory bandwidth
56.83 GB/s
14.4 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12
Shader Model
4.1
5
OpenGL
3.3
4.5
OpenCL
1.1
1.2
Vulkan
N/A
1.1.126
CUDA
+
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
large
Optimus
+
Display Port
1.2
nView Display Management
+
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