GeForce GT 645M vs Radeon HD 8650G plus HD 8670M Dual Graphics
In this comparison between GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics 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 GeForce GT 645M will be the best choice, for others Radeon HD 8650G plus HD 8670M Dual Graphics will be their preference. Study the comparison tables below and make your choice.
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics are Laptop Graphics Cards
Note: GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics 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 HD 8650G plus HD 8670M Dual Graphics here:
Main Specs
GeForce GT 645M
Radeon HD 8650G plus HD 8670M Dual Graphics
Power consumption (TDP)
32 Watt
Interface
PCIe 3.0 x16
Memory type
DDR3\GDDR5
DDR3
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
GeForce GT 645M is manufactured by 28 nm process technology, and Radeon HD 8650G plus HD 8670M Dual Graphics - by 32 / 28 nm process technology.
Memory clock speed of GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics is 1800 MHz.
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
0−1
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
2−3
2−3
The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 16% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
4−5
4−5
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Battlefield 5.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
110−120
medium / 768p
85−90
85−90
ultra / 1080p
35−40
35−40
4K / 2160p
10−11
10−11
high / 768p
60−65
60−65
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Counter-Strike: Global Offensive.
low / 768p
70−75
70−75
ultra / 1080p
14−16
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 2% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.
low / 768p
70−75
70−75
medium / 768p
45−50
40−45
ultra / 1080p
18−20
18−20
The average gaming FPS of GeForce GT 645M in Dota 2 is 4% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.
high / 1080p
2−3
2−3
ultra / 1080p
2−3
2−3
4K / 2160p
0−1
0−1
low / 720p
10−11
9−10
medium / 1080p
3−4
3−4
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Far Cry 5.
ultra / 1080p
5−6
5−6
QHD / 1440p
1−2
1−2
low / 720p
45−50
45−50
medium / 1080p
8−9
7−8
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Fortnite.
high / 1080p
3−4
2−3
QHD / 1440p
0−1
0−1
low / 720p
14−16
14−16
medium / 1080p
6−7
5−6
The average gaming FPS of GeForce GT 645M in Forza Horizon 4 is 14% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.
low / 768p
40−45
40−45
high / 1080p
3−4
3−4
ultra / 1080p
2−3
2−3
QHD / 1440p
0−1
0−1
medium / 720p
35−40
35−40
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Grand Theft Auto V.
high / 1080p
1−2
1−2
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
3−4
2−3
medium / 1080p
2−3
2−3
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Metro Exodus.
low / 768p
85−90
85−90
high / 1080p
55−60
55−60
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Minecraft.
high / 1080p
14−16
14−16
ultra / 1080p
12−14
12−14
low / 720p
24−27
24−27
medium / 1080p
14−16
14−16
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
low / 720p
4−5
4−5
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in Red Dead Redemption 2.
low / 768p
8−9
7−8
medium / 768p
7−8
6−7
high / 1080p
3−4
3−4
ultra / 1080p
3−4
−
4K / 2160p
0−1
0−1
The average gaming FPS of GeForce GT 645M in The Witcher 3: Wild Hunt is 20% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
12−14
12−14
high / 768p
30−33
30−33
GeForce GT 645M and Radeon HD 8650G plus HD 8670M Dual Graphics have the same average FPS in World of Tanks.
Full Specs
GeForce GT 645M
Radeon HD 8650G plus HD 8670M Dual Graphics
Architecture
Kepler
Code name
N13P-GS
Type
Laptop
Laptop
Release date
22 March 2012
1 August 2013
Pipelines
384
768
Core clock speed
720 / 775 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
32 / 28 nm
Texture fill rate
22.7 billion/sec
Floating-point performance
544.5 gflops
Memory bus width
128bit
64 Bit
Memory clock speed
1800 MHz
1800 - 2000 MHz
Shared memory
-
-
DirectX
12 API
DirectX 11, Shader 5.0
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
medium sized
Optimus
+
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