GeForce GT 645M vs Radeon RX Vega 6 Ryzen 2000 3000
If you are going to buy a new graphics card and are choosing between GeForce GT 645M and Radeon RX Vega 6 Ryzen 2000 3000, 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 GeForce GT 645M stacks up against Radeon RX Vega 6 Ryzen 2000 3000, check out specs charts below.
GeForce GT 645M and Radeon RX Vega 6 Ryzen 2000 3000 are Laptop Graphics Cards
Note: GeForce GT 645M and Radeon RX Vega 6 Ryzen 2000 3000 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 6 Ryzen 2000 3000 here:
Main Specs
GeForce GT 645M
Radeon RX Vega 6 Ryzen 2000 3000
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 6 Ryzen 2000 3000 - with Vega.
GeForce GT 645M is manufactured by 28 nm process technology, and Radeon RX Vega 6 Ryzen 2000 3000 - by 14 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
10−11
ultra / 1080p
0−1
6−7
QHD / 1440p
0−1
0−1
low / 720p
12−14
21−24
medium / 1080p
2−3
12−14
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Assassin's Creed Odyssey is 200% more, than GeForce GT 645M.
high / 1080p
−
16−18
ultra / 1080p
3−4
14−16
QHD / 1440p
0−1
0−1
low / 720p
12−14
35−40
medium / 1080p
4−5
18−20
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Battlefield 5 is 228% 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 6 Ryzen 2000 3000.
low / 768p
110−120
170−180
medium / 768p
85−90
140−150
ultra / 1080p
35−40
70−75
QHD / 1440p
−
40−45
4K / 2160p
10−11
30−33
high / 768p
60−65
100−110
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Counter-Strike: Global Offensive is 69% more, than GeForce GT 645M.
low / 768p
70−75
55−60
ultra / 1080p
14−16
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 2% more, than Radeon RX Vega 6 Ryzen 2000 3000.
low / 768p
70−75
90−95
medium / 768p
45−50
75−80
ultra / 1080p
18−20
45−50
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Dota 2 is 56% more, than GeForce GT 645M.
high / 1080p
2−3
12−14
ultra / 1080p
2−3
10−12
4K / 2160p
0−1
4−5
low / 720p
10−11
27−30
medium / 1080p
3−4
12−14
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Far Cry 5 is 300% more, than GeForce GT 645M.
high / 1080p
−
18−20
ultra / 1080p
5−6
14−16
QHD / 1440p
1−2
−
low / 720p
45−50
75−80
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Fortnite is 115% more, than GeForce GT 645M.
high / 1080p
3−4
16−18
ultra / 1080p
−
14−16
QHD / 1440p
0−1
4−5
low / 720p
14−16
35−40
medium / 1080p
6−7
20−22
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Forza Horizon 4 is 212% more, than GeForce GT 645M.
low / 768p
40−45
65−70
medium / 768p
−
55−60
high / 1080p
3−4
18−20
ultra / 1080p
2−3
8−9
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Grand Theft Auto V is 93% more, than GeForce GT 645M.
high / 1080p
1−2
6−7
ultra / 1080p
0−1
5−6
4K / 2160p
0−1
1−2
low / 720p
3−4
18−20
medium / 1080p
2−3
9−10
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Metro Exodus is 450% more, than GeForce GT 645M.
low / 768p
85−90
100−110
high / 1080p
55−60
−
ultra / 1080p
−
90−95
medium / 1080p
−
95−100
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Minecraft is 20% more, than GeForce GT 645M.
high / 1080p
14−16
18−20
ultra / 1080p
12−14
14−16
low / 720p
24−27
40−45
medium / 1080p
14−16
20−22
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in PLAYERUNKNOWN'S BATTLEGROUNDS is 41% more, than GeForce GT 645M.
high / 1080p
−
12−14
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
low / 720p
4−5
18−20
medium / 1080p
−
12−14
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in Red Dead Redemption 2 is 225% more, than GeForce GT 645M.
low / 768p
8−9
35−40
medium / 768p
7−8
21−24
high / 1080p
3−4
12−14
ultra / 1080p
3−4
8−9
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in The Witcher 3: Wild Hunt is 300% more, than GeForce GT 645M.
low / 768p
70−75
90−95
medium / 768p
35−40
50−55
ultra / 1080p
12−14
24−27
high / 768p
30−33
45−50
The average gaming FPS of Radeon RX Vega 6 Ryzen 2000 3000 in World of Tanks is 42% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
Radeon RX Vega 6 Ryzen 2000 3000
Architecture
Kepler
Vega
Code name
N13P-GS
Vega Raven Ridge
Type
Laptop
Laptop
Release date
22 March 2012
7 January 2018
Pipelines
384
384
Boost Clock
1100 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
14 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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