GeForce GT 645M vs Radeon RX Vega 5
When choosing between GeForce GT 645M and Radeon RX Vega 5, 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 GeForce GT 645M and Radeon RX Vega 5.
GeForce GT 645M and Radeon RX Vega 5 are Laptop Graphics Cards
Note: GeForce GT 645M and Radeon RX Vega 5 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 RX Vega 5 here:
Main Specs
GeForce GT 645M
Radeon RX Vega 5
Power consumption (TDP)
32 Watt
Interface
PCIe 3.0 x16
Memory type
DDR3\GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
GeForce GT 645M is build with Kepler architecture, and Radeon RX Vega 5 - with Vega.
GeForce GT 645M is manufactured by 28 nm process technology, and Radeon RX Vega 5 - by 7 nm process technology.
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
12−14
ultra / 1080p
0−1
8−9
QHD / 1440p
0−1
2−3
low / 720p
12−14
27−30
medium / 1080p
2−3
16−18
The average gaming FPS of Radeon RX Vega 5 in Assassin's Creed Odyssey is 280% more, than GeForce GT 645M.
high / 1080p
−
21−24
ultra / 1080p
3−4
18−20
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
12−14
45−50
medium / 1080p
4−5
24−27
The average gaming FPS of Radeon RX Vega 5 in Battlefield 5 is 328% more, than GeForce GT 645M.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 645M in Call of Duty: Warzone is 10% more, than Radeon RX Vega 5.
low / 768p
110−120
190−200
medium / 768p
85−90
160−170
ultra / 1080p
35−40
85−90
QHD / 1440p
−
50−55
4K / 2160p
10−11
30−33
high / 768p
60−65
130−140
The average gaming FPS of Radeon RX Vega 5 in Counter-Strike: Global Offensive is 96% more, than GeForce GT 645M.
low / 768p
70−75
55−60
ultra / 1080p
14−16
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon RX Vega 5 in Cyberpunk 2077 is 4% more, than GeForce GT 645M.
low / 768p
70−75
100−110
medium / 768p
45−50
85−90
ultra / 1080p
18−20
55−60
The average gaming FPS of Radeon RX Vega 5 in Dota 2 is 80% more, than GeForce GT 645M.
high / 1080p
2−3
14−16
ultra / 1080p
2−3
14−16
4K / 2160p
0−1
5−6
low / 720p
10−11
35−40
medium / 1080p
3−4
16−18
The average gaming FPS of Radeon RX Vega 5 in Far Cry 5 is 425% more, than GeForce GT 645M.
high / 1080p
−
21−24
ultra / 1080p
5−6
16−18
QHD / 1440p
1−2
16−18
low / 720p
45−50
90−95
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon RX Vega 5 in Fortnite is 186% more, than GeForce GT 645M.
high / 1080p
3−4
21−24
ultra / 1080p
−
18−20
QHD / 1440p
0−1
7−8
low / 720p
14−16
45−50
medium / 1080p
6−7
24−27
The average gaming FPS of Radeon RX Vega 5 in Forza Horizon 4 is 287% more, than GeForce GT 645M.
low / 768p
40−45
75−80
medium / 768p
−
70−75
high / 1080p
3−4
24−27
ultra / 1080p
2−3
10−12
QHD / 1440p
0−1
1−2
medium / 720p
35−40
−
The average gaming FPS of Radeon RX Vega 5 in Grand Theft Auto V is 137% more, than GeForce GT 645M.
high / 1080p
1−2
8−9
ultra / 1080p
0−1
6−7
4K / 2160p
0−1
2−3
low / 720p
3−4
24−27
medium / 1080p
2−3
10−12
The average gaming FPS of Radeon RX Vega 5 in Metro Exodus is 650% more, than GeForce GT 645M.
low / 768p
85−90
100−110
high / 1080p
55−60
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon RX Vega 5 in Minecraft is 20% more, than GeForce GT 645M.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
16−18
low / 720p
24−27
50−55
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon RX Vega 5 in PLAYERUNKNOWN'S BATTLEGROUNDS is 64% more, than GeForce GT 645M.
high / 1080p
−
12−14
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
4−5
24−27
medium / 1080p
−
14−16
The average gaming FPS of Radeon RX Vega 5 in Red Dead Redemption 2 is 325% more, than GeForce GT 645M.
low / 768p
8−9
45−50
medium / 768p
7−8
30−33
high / 1080p
3−4
16−18
ultra / 1080p
3−4
10−11
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon RX Vega 5 in The Witcher 3: Wild Hunt is 420% more, than GeForce GT 645M.
low / 768p
70−75
95−100
medium / 768p
35−40
55−60
ultra / 1080p
12−14
30−35
high / 768p
30−33
50−55
The average gaming FPS of Radeon RX Vega 5 in World of Tanks is 57% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
Radeon RX Vega 5
Architecture
Kepler
Vega
Code name
N13P-GS
Vega
Type
Laptop
Laptop
Release date
22 March 2012
7 January 2020
Pipelines
384
320
Boost Clock
1400 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
7 nm
Texture fill rate
22.7 billion/sec
Floating-point performance
544.5 gflops
Memory bus width
128bit
Memory clock speed
1800 MHz
Shared memory
-
-
DirectX
12 API
DirectX 12_1
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
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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