FirePro M4000 vs GeForce GT 645M
When choosing between FirePro M4000 and GeForce GT 645M, 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 FirePro M4000 and GeForce GT 645M.
FirePro M4000 and GeForce GT 645M are Laptop Graphics Cards
Note: FirePro M4000 and GeForce GT 645M 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 FirePro M4000 or GeForce GT 645M here:
Main Specs
FirePro M4000
GeForce GT 645M
Power consumption (TDP)
33 Watt
32 Watt
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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FirePro M4000 has 3% more power consumption, than GeForce GT 645M.
FirePro M4000 is connected by MXM-A (3.0), and GeForce GT 645M uses PCIe 3.0 x16 interface.
GeForce GT 645M has 1 GB more memory, than FirePro M4000.
FirePro M4000 is used in Mobile workstations, and GeForce GT 645M - in Laptops.
FirePro M4000 is build with GCN architecture, and GeForce GT 645M - with Kepler.
FirePro M4000 and GeForce GT 645M are manufactured by 28 nm process technology.
Memory clock speed of FirePro M4000 is 2700 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
7−8
1−2
ultra / 1080p
4−5
0−1
QHD / 1440p
0−1
0−1
low / 720p
18−20
12−14
medium / 1080p
9−10
2−3
The average gaming FPS of FirePro M4000 in Assassin's Creed Odyssey is 140% more, than GeForce GT 645M.
high / 1080p
12−14
−
ultra / 1080p
10−12
3−4
QHD / 1440p
0−1
0−1
low / 720p
27−30
12−14
medium / 1080p
14−16
4−5
The average gaming FPS of FirePro M4000 in Battlefield 5 is 157% more, than GeForce GT 645M.
low / 768p
45−50
50−55
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 FirePro M4000.
low / 768p
140−150
110−120
medium / 768p
120−130
85−90
ultra / 1080p
55−60
35−40
QHD / 1440p
30−35
−
4K / 2160p
27−30
10−11
high / 768p
90−95
60−65
The average gaming FPS of FirePro M4000 in Counter-Strike: Global Offensive is 43% more, than GeForce GT 645M.
low / 768p
55−60
70−75
ultra / 1080p
21−24
14−16
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 7% more, than FirePro M4000.
low / 768p
85−90
70−75
medium / 768p
65−70
45−50
ultra / 1080p
35−40
18−20
The average gaming FPS of FirePro M4000 in Dota 2 is 39% more, than GeForce GT 645M.
high / 1080p
9−10
2−3
ultra / 1080p
8−9
2−3
4K / 2160p
4−5
0−1
low / 720p
21−24
10−11
medium / 1080p
10−11
3−4
The average gaming FPS of FirePro M4000 in Far Cry 5 is 200% more, than GeForce GT 645M.
high / 1080p
16−18
−
ultra / 1080p
10−12
5−6
QHD / 1440p
−
1−2
low / 720p
65−70
45−50
medium / 1080p
27−30
8−9
The average gaming FPS of FirePro M4000 in Fortnite is 75% more, than GeForce GT 645M.
high / 1080p
14−16
3−4
ultra / 1080p
12−14
−
QHD / 1440p
2−3
0−1
low / 720p
27−30
14−16
medium / 1080p
16−18
6−7
The average gaming FPS of FirePro M4000 in Forza Horizon 4 is 150% more, than GeForce GT 645M.
low / 768p
55−60
40−45
medium / 768p
50−55
−
high / 1080p
14−16
3−4
ultra / 1080p
7−8
2−3
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of FirePro M4000 in Grand Theft Auto V is 62% more, than GeForce GT 645M.
high / 1080p
5−6
1−2
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
14−16
3−4
medium / 1080p
7−8
2−3
The average gaming FPS of FirePro M4000 in Metro Exodus is 350% more, than GeForce GT 645M.
low / 768p
95−100
85−90
high / 1080p
90−95
55−60
ultra / 1080p
80−85
−
medium / 1080p
95−100
−
The average gaming FPS of FirePro M4000 in Minecraft is 31% more, than GeForce GT 645M.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
35−40
24−27
medium / 1080p
18−20
14−16
The average gaming FPS of FirePro M4000 in PLAYERUNKNOWN'S BATTLEGROUNDS is 29% more, than GeForce GT 645M.
ultra / 1080p
8−9
3−4
QHD / 1440p
0−1
0−1
low / 720p
14−16
4−5
medium / 1080p
10−12
−
The average gaming FPS of FirePro M4000 in Red Dead Redemption 2 is 175% more, than GeForce GT 645M.
low / 768p
27−30
8−9
medium / 768p
18−20
7−8
high / 1080p
10−11
3−4
ultra / 1080p
7−8
3−4
4K / 2160p
6−7
0−1
The average gaming FPS of FirePro M4000 in The Witcher 3: Wild Hunt is 220% more, than GeForce GT 645M.
low / 768p
85−90
70−75
medium / 768p
45−50
35−40
ultra / 1080p
21−24
12−14
high / 768p
35−40
30−33
The average gaming FPS of FirePro M4000 in World of Tanks is 26% more, than GeForce GT 645M.
Full Specs
FirePro M4000
GeForce GT 645M
Architecture
GCN
Kepler
Code name
Cape Verde GLM
N13P-GS
Type
Mobile workstation
Laptop
Release date
1 July 2012
22 March 2012
Pipelines
512
384
Core clock speed
600 MHz
Transistor count
1,500 million
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
22.7 billion/sec
Floating-point performance
691.2 gflops
544.5 gflops
Memory bus width
128 Bit
128bit
Memory clock speed
4500 MHz
1800 MHz
Memory bandwidth
72 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 API
Shader Model
5.1
5.1
OpenGL
4.6
4.5
OpenCL
1.2
1.1
Vulkan
1.2.131
1.1.126
CUDA
+
CUDA cores
384
Bus support
n/a
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
79 Mh/s
19 Mh/s
Laptop size
medium sized
medium sized
Optimus
+
Form factor
MXM-A
StereoOutput3D
+
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