GeForce GT 645M vs GeForce GTX 285
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and GeForce GTX 285. 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 GeForce GTX 285. 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 is a Laptop Graphics Card
Note: GeForce GT 645M is only used in laptop graphics. It has 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 here:
Main Specs
GeForce GT 645M
GeForce GTX 285
Power consumption (TDP)
32 Watt
204 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
DDR3\GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
2x DVI, 1x S-Video
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GeForce GTX 285 has 537% more power consumption, than GeForce GT 645M.
GeForce GT 645M is connected by PCIe 3.0 x16, and GeForce GTX 285 uses PCIe 2.0 x16 interface.
GeForce GT 645M has 1 GB more memory, than GeForce GTX 285.
GeForce GT 645M is used in Laptops, and GeForce GTX 285 - in Desktops.
GeForce GT 645M is build with Kepler architecture, and GeForce GTX 285 - with Tesla 2.0.
GeForce GT 645M is manufactured by 28 nm process technology, and GeForce GTX 285 - by 55 nm process technology.
Memory clock speed of GeForce GT 645M is 558 MHz higher, than GeForce GTX 285.
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
7−8
ultra / 1080p
0−1
4−5
QHD / 1440p
0−1
0−1
low / 720p
12−14
16−18
medium / 1080p
2−3
9−10
The average gaming FPS of GeForce GTX 285 in Assassin's Creed Odyssey is 120% more, than GeForce GT 645M.
high / 1080p
−
12−14
ultra / 1080p
3−4
10−11
QHD / 1440p
0−1
0−1
low / 720p
12−14
24−27
medium / 1080p
4−5
12−14
The average gaming FPS of GeForce GTX 285 in Battlefield 5 is 128% more, than GeForce GT 645M.
low / 768p
50−55
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 645M in Call of Duty: Warzone is 6% more, than GeForce GTX 285.
low / 768p
110−120
140−150
medium / 768p
85−90
110−120
ultra / 1080p
35−40
55−60
QHD / 1440p
−
30−35
4K / 2160p
10−11
27−30
high / 768p
60−65
85−90
The average gaming FPS of GeForce GTX 285 in Counter-Strike: Global Offensive is 38% more, than GeForce GT 645M.
low / 768p
70−75
55−60
ultra / 1080p
14−16
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 7% more, than GeForce GTX 285.
low / 768p
70−75
80−85
medium / 768p
45−50
60−65
ultra / 1080p
18−20
35−40
The average gaming FPS of GeForce GTX 285 in Dota 2 is 30% more, than GeForce GT 645M.
high / 1080p
2−3
8−9
ultra / 1080p
2−3
8−9
4K / 2160p
0−1
4−5
low / 720p
10−11
20−22
medium / 1080p
3−4
9−10
The average gaming FPS of GeForce GTX 285 in Far Cry 5 is 175% more, than GeForce GT 645M.
high / 1080p
−
14−16
ultra / 1080p
5−6
10−12
QHD / 1440p
1−2
−
low / 720p
45−50
60−65
medium / 1080p
8−9
24−27
The average gaming FPS of GeForce GTX 285 in Fortnite is 65% more, than GeForce GT 645M.
high / 1080p
3−4
12−14
ultra / 1080p
−
10−12
QHD / 1440p
0−1
1−2
low / 720p
14−16
27−30
medium / 1080p
6−7
14−16
The average gaming FPS of GeForce GTX 285 in Forza Horizon 4 is 125% more, than GeForce GT 645M.
low / 768p
40−45
55−60
medium / 768p
−
45−50
high / 1080p
3−4
12−14
ultra / 1080p
2−3
6−7
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
The average gaming FPS of GeForce GTX 285 in Grand Theft Auto V is 56% more, than GeForce GT 645M.
high / 1080p
1−2
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
3−4
12−14
medium / 1080p
2−3
7−8
The average gaming FPS of GeForce GTX 285 in Metro Exodus is 300% more, than GeForce GT 645M.
low / 768p
85−90
95−100
high / 1080p
55−60
90−95
ultra / 1080p
−
80−85
medium / 1080p
−
90−95
The average gaming FPS of GeForce GTX 285 in Minecraft is 31% more, than GeForce GT 645M.
high / 1080p
14−16
16−18
ultra / 1080p
12−14
14−16
low / 720p
24−27
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of GeForce GTX 285 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than GeForce GT 645M.
ultra / 1080p
3−4
7−8
QHD / 1440p
0−1
0−1
low / 720p
4−5
12−14
medium / 1080p
−
10−12
The average gaming FPS of GeForce GTX 285 in Red Dead Redemption 2 is 150% more, than GeForce GT 645M.
low / 768p
8−9
24−27
medium / 768p
7−8
16−18
high / 1080p
3−4
10−11
ultra / 1080p
3−4
6−7
4K / 2160p
0−1
6−7
The average gaming FPS of GeForce GTX 285 in The Witcher 3: Wild Hunt is 180% more, than GeForce GT 645M.
low / 768p
70−75
85−90
medium / 768p
35−40
45−50
ultra / 1080p
12−14
20−22
high / 768p
30−33
35−40
The average gaming FPS of GeForce GTX 285 in World of Tanks is 26% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
GeForce GTX 285
Architecture
Kepler
Tesla 2.0
Code name
N13P-GS
GT200B
Type
Laptop
Desktop
Release date
22 March 2012
23 December 2008
Pipelines
384
240
Core clock speed
1476 MHz
Transistor count
1,270 million
1,400 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
22.7 billion/sec
51.8 billion/sec
Floating-point performance
544.5 gflops
708.5 gflops
Length
10.5" (267 mm) (26.7 cm)
Memory bus width
128bit
512 Bit
Memory clock speed
1800 MHz
1242 MHz
Memory bandwidth
159.0 GB/s
Shared memory
-
DirectX
12 API
11.1 (10_0)
Shader Model
5.1
4.0
OpenGL
4.5
2.1
OpenCL
1.1
1.1
Vulkan
1.1.126
N/A
CUDA
+
+
CUDA cores
384
240
Bus support
PCI Express 2.0, PCI Express 3.0
Height
4.376" (111 mm) (11.1 cm)
SLI options
+
Multi monitor support
+
HDMI
+
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
2048x1536
Audio input for HDMI
S/PDIF
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
19 Mh/s
Laptop size
medium sized
Optimus
+
High Dynamic-Range Lighting (HDRR)
128bit
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