GeForce GT 645M vs Radeon 520
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and Radeon 520. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 645M and Radeon 520. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce GT 645M and Radeon 520 are Laptop Graphics Cards
Note: GeForce GT 645M and Radeon 520 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 GeForce GT 645M or Radeon 520 here:
Main Specs
GeForce GT 645M
Radeon 520
Power consumption (TDP)
32 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
DDR3\GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
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Radeon 520 has 56% more power consumption, than GeForce GT 645M.
GeForce GT 645M is connected by PCIe 3.0 x16, and Radeon 520 uses PCIe 3.0 x8 interface.
GeForce GT 645M and Radeon 520 have maximum RAM of 2 GB.
Both cards are used in Laptops.
GeForce GT 645M is build with Kepler architecture, and Radeon 520 - with GCN 1.0.
GeForce GT 645M and Radeon 520 are manufactured by 28 nm process technology.
Memory clock speed of Radeon 520 is 450 MHz higher, than GeForce GT 645M.
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
1−2
0−1
ultra / 1080p
0−1
−
QHD / 1440p
0−1
0−1
low / 720p
12−14
1−2
medium / 1080p
2−3
0−1
The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 1200% more, than Radeon 520.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
0−1
low / 720p
12−14
0−1
medium / 1080p
4−5
−
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 645M and Radeon 520 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
55−60
medium / 768p
85−90
30−33
ultra / 1080p
35−40
6−7
4K / 2160p
10−11
−
high / 768p
60−65
18−20
The average gaming FPS of GeForce GT 645M in Counter-Strike: Global Offensive is 167% more, than Radeon 520.
low / 768p
70−75
70−75
ultra / 1080p
14−16
0−1
medium / 1080p
45−50
45−50
GeForce GT 645M and Radeon 520 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
45−50
medium / 768p
45−50
10−11
ultra / 1080p
18−20
0−1
The average gaming FPS of GeForce GT 645M in Dota 2 is 106% more, than Radeon 520.
high / 1080p
2−3
−
ultra / 1080p
2−3
−
4K / 2160p
0−1
−
low / 720p
10−11
0−1
medium / 1080p
3−4
−
ultra / 1080p
5−6
−
QHD / 1440p
1−2
−
low / 720p
45−50
21−24
medium / 1080p
8−9
0−1
The average gaming FPS of GeForce GT 645M in Fortnite is 113% more, than Radeon 520.
high / 1080p
3−4
0−1
QHD / 1440p
0−1
0−1
low / 720p
14−16
0−1
medium / 1080p
6−7
0−1
low / 768p
40−45
18−20
high / 1080p
3−4
0−1
ultra / 1080p
2−3
−
QHD / 1440p
0−1
0−1
medium / 720p
35−40
12−14
The average gaming FPS of GeForce GT 645M in Grand Theft Auto V is 150% more, than Radeon 520.
high / 1080p
1−2
−
ultra / 1080p
0−1
−
4K / 2160p
0−1
−
low / 720p
3−4
0−1
medium / 1080p
2−3
−
low / 768p
85−90
75−80
high / 1080p
55−60
27−30
The average gaming FPS of GeForce GT 645M in Minecraft is 35% more, than Radeon 520.
high / 1080p
14−16
−
ultra / 1080p
12−14
−
low / 720p
24−27
10−11
medium / 1080p
14−16
10−11
The average gaming FPS of GeForce GT 645M in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Radeon 520.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
−
low / 720p
4−5
0−1
low / 768p
8−9
0−1
medium / 768p
7−8
−
high / 1080p
3−4
−
ultra / 1080p
3−4
−
4K / 2160p
0−1
−
low / 768p
70−75
45−50
medium / 768p
35−40
14−16
ultra / 1080p
12−14
0−1
high / 768p
30−33
12−14
The average gaming FPS of GeForce GT 645M in World of Tanks is 88% more, than Radeon 520.
Full Specs
GeForce GT 645M
Radeon 520
Architecture
Kepler
GCN 1.0
Code name
N13P-GS
Oland
Type
Laptop
Laptop
Release date
22 March 2012
21 March 2017
Pipelines
384
320
Core clock speed
1030 MHz
Transistor count
1,270 million
1,040 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
22.7 billion/sec
20.60
Floating-point performance
544.5 gflops
659.2 gflops
Memory bus width
128bit
64 Bit
Memory clock speed
1800 MHz
2250 MHz
Memory bandwidth
16 GB/s
Shared memory
-
-
DirectX
12 API
12.0
Shader Model
5.1
5.0
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.1.126
+
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
19 Mh/s
Laptop size
medium sized
Optimus
+
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