GeForce GT 645M vs Radeon R7 250
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and Radeon R7 250. 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 Radeon R7 250. 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
Radeon R7 250
Power consumption (TDP)
32 Watt
75 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
N/A
Memory type
DDR3\GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
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Radeon R7 250 has 134% more power consumption, than GeForce GT 645M.
GeForce GT 645M is connected by PCIe 3.0 x16, and Radeon R7 250 uses PCIe 3.0 x8 interface.
GeForce GT 645M and Radeon R7 250 have maximum RAM of 2 GB.
GeForce GT 645M is used in Laptops, and Radeon R7 250 - in Desktops.
GeForce GT 645M is build with Kepler architecture, and Radeon R7 250 - with GCN.
GeForce GT 645M and Radeon R7 250 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 645M is 650 MHz higher, than Radeon R7 250.
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
3−4
ultra / 1080p
0−1
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
2−3
5−6
The average gaming FPS of Radeon R7 250 in Assassin's Creed Odyssey is 60% more, than GeForce GT 645M.
high / 1080p
−
6−7
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
4−5
7−8
The average gaming FPS of Radeon R7 250 in Battlefield 5 is 42% more, than GeForce GT 645M.
low / 768p
50−55
50−55
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 645M in Call of Duty: Warzone is 6% more, than Radeon R7 250.
low / 768p
110−120
120−130
medium / 768p
85−90
90−95
ultra / 1080p
35−40
45−50
QHD / 1440p
−
24−27
4K / 2160p
10−11
−
high / 768p
60−65
65−70
The average gaming FPS of Radeon R7 250 in Counter-Strike: Global Offensive is 10% more, than GeForce GT 645M.
low / 768p
70−75
60−65
ultra / 1080p
14−16
21−24
medium / 1080p
45−50
40−45
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 7% more, than Radeon R7 250.
low / 768p
70−75
80−85
medium / 768p
45−50
55−60
ultra / 1080p
18−20
27−30
The average gaming FPS of Radeon R7 250 in Dota 2 is 21% more, than GeForce GT 645M.
high / 1080p
2−3
4−5
ultra / 1080p
2−3
4−5
4K / 2160p
0−1
2−3
low / 720p
10−11
14−16
medium / 1080p
3−4
5−6
The average gaming FPS of Radeon R7 250 in Far Cry 5 is 75% more, than GeForce GT 645M.
high / 1080p
−
10−12
ultra / 1080p
5−6
7−8
QHD / 1440p
1−2
1−2
low / 720p
45−50
50−55
medium / 1080p
8−9
16−18
The average gaming FPS of Radeon R7 250 in Fortnite is 26% more, than GeForce GT 645M.
high / 1080p
3−4
8−9
ultra / 1080p
−
7−8
QHD / 1440p
0−1
3−4
4K / 2160p
−
3−4
low / 720p
14−16
21−24
medium / 1080p
6−7
10−11
The average gaming FPS of Radeon R7 250 in Forza Horizon 4 is 62% more, than GeForce GT 645M.
low / 768p
40−45
45−50
medium / 768p
−
35−40
high / 1080p
3−4
8−9
ultra / 1080p
2−3
4−5
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
The average gaming FPS of Radeon R7 250 in Grand Theft Auto V is 25% more, than GeForce GT 645M.
high / 1080p
1−2
2−3
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
0−1
low / 720p
3−4
9−10
medium / 1080p
2−3
4−5
The average gaming FPS of Radeon R7 250 in Metro Exodus is 150% more, than GeForce GT 645M.
low / 768p
85−90
90−95
high / 1080p
55−60
85−90
ultra / 1080p
−
80−85
The average gaming FPS of Radeon R7 250 in Minecraft is 25% more, than GeForce GT 645M.
high / 1080p
14−16
−
ultra / 1080p
12−14
12−14
low / 720p
24−27
27−30
medium / 1080p
14−16
14−16
The average gaming FPS of Radeon R7 250 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce GT 645M.
high / 1080p
−
5−6
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
low / 720p
4−5
7−8
medium / 1080p
−
7−8
The average gaming FPS of Radeon R7 250 in Red Dead Redemption 2 is 25% more, than GeForce GT 645M.
low / 768p
8−9
18−20
medium / 768p
7−8
12−14
high / 1080p
3−4
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
0−1
The average gaming FPS of Radeon R7 250 in The Witcher 3: Wild Hunt is 100% more, than GeForce GT 645M.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
12−14
16−18
high / 768p
30−33
30−35
The average gaming FPS of Radeon R7 250 in World of Tanks is 2% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
Radeon R7 250
Architecture
Kepler
GCN
Code name
N13P-GS
Oland XT
Type
Laptop
Desktop
Release date
22 March 2012
1 October 2013
Pipelines
384
384
Boost Clock
1050 MHz
Transistor count
1,270 million
950 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
22.7 billion/sec
25.20
Floating-point performance
544.5 gflops
716.8 gflops
Length
168 mm
Memory bus width
128bit
128 Bit
Memory clock speed
1800 MHz
1150 MHz
Memory bandwidth
72 GB/s
Shared memory
-
-
DirectX
12 API
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.1.126
CUDA
+
FreeSync
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0
HDMI
+
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
19 Mh/s
117 Mh/s
Laptop size
medium sized
Optimus
+
Design
reference
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
3 Mh/s
AppAcceleration
+
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