GeForce GT 645M vs Radeon R7 260
If you are going to buy a new graphics card and are choosing between GeForce GT 645M and Radeon R7 260, 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 R7 260, check out specs charts below.
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 260
Power consumption (TDP)
32 Watt
115 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon R7 260 has 259% more power consumption, than GeForce GT 645M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 645M and Radeon R7 260 have maximum RAM of 2 GB.
GeForce GT 645M is used in Laptops, and Radeon R7 260 - in Desktops.
GeForce GT 645M is build with Kepler architecture, and Radeon R7 260 - with GCN 2.0.
GeForce GT 645M and Radeon R7 260 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 645M is 175 MHz higher, than Radeon R7 260.
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
14−16
ultra / 1080p
0−1
8−9
QHD / 1440p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
2−3
18−20
The average gaming FPS of Radeon R7 260 in Assassin's Creed Odyssey is 340% more, than GeForce GT 645M.
high / 1080p
−
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
12−14
50−55
medium / 1080p
4−5
24−27
The average gaming FPS of Radeon R7 260 in Battlefield 5 is 371% 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 R7 260.
low / 768p
110−120
200−210
medium / 768p
85−90
170−180
ultra / 1080p
35−40
95−100
QHD / 1440p
−
50−55
4K / 2160p
10−11
30−33
high / 768p
60−65
140−150
The average gaming FPS of Radeon R7 260 in Counter-Strike: Global Offensive is 109% more, than GeForce GT 645M.
low / 768p
70−75
55−60
ultra / 1080p
14−16
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R7 260 in Cyberpunk 2077 is 4% more, than GeForce GT 645M.
low / 768p
70−75
110−120
medium / 768p
45−50
90−95
ultra / 1080p
18−20
60−65
The average gaming FPS of Radeon R7 260 in Dota 2 is 95% more, than GeForce GT 645M.
high / 1080p
2−3
16−18
ultra / 1080p
2−3
16−18
4K / 2160p
0−1
6−7
low / 720p
10−11
35−40
medium / 1080p
3−4
18−20
The average gaming FPS of Radeon R7 260 in Far Cry 5 is 450% more, than GeForce GT 645M.
high / 1080p
−
24−27
ultra / 1080p
5−6
18−20
QHD / 1440p
1−2
16−18
low / 720p
45−50
95−100
medium / 1080p
8−9
50−55
The average gaming FPS of Radeon R7 260 in Fortnite is 206% more, than GeForce GT 645M.
high / 1080p
3−4
24−27
ultra / 1080p
−
20−22
QHD / 1440p
0−1
9−10
low / 720p
14−16
50−55
medium / 1080p
6−7
27−30
The average gaming FPS of Radeon R7 260 in Forza Horizon 4 is 337% more, than GeForce GT 645M.
low / 768p
40−45
85−90
medium / 768p
−
75−80
high / 1080p
3−4
27−30
ultra / 1080p
2−3
12−14
QHD / 1440p
0−1
3−4
medium / 720p
35−40
−
The average gaming FPS of Radeon R7 260 in Grand Theft Auto V is 168% more, than GeForce GT 645M.
high / 1080p
1−2
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
3−4
27−30
medium / 1080p
2−3
12−14
The average gaming FPS of Radeon R7 260 in Metro Exodus is 750% more, than GeForce GT 645M.
low / 768p
85−90
110−120
high / 1080p
55−60
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon R7 260 in Minecraft is 32% more, than GeForce GT 645M.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
16−18
low / 720p
24−27
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon R7 260 in PLAYERUNKNOWN'S BATTLEGROUNDS is 76% more, than GeForce GT 645M.
high / 1080p
−
14−16
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
4−5
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon R7 260 in Red Dead Redemption 2 is 375% more, than GeForce GT 645M.
low / 768p
8−9
50−55
medium / 768p
7−8
30−35
high / 1080p
3−4
18−20
ultra / 1080p
3−4
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon R7 260 in The Witcher 3: Wild Hunt is 460% more, than GeForce GT 645M.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
12−14
35−40
high / 768p
30−33
50−55
The average gaming FPS of Radeon R7 260 in World of Tanks is 68% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
Radeon R7 260
Architecture
Kepler
GCN 2.0
Code name
N13P-GS
Bonaire
Type
Laptop
Desktop
Release date
22 March 2012
17 December 2013
Pipelines
384
768
Boost Clock
1100 MHz
Transistor count
1,270 million
2,080 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
22.7 billion/sec
48.00
Floating-point performance
544.5 gflops
1,536 gflops
Length
170 mm
Memory bus width
128bit
128 Bit
Memory clock speed
1800 MHz
1625 MHz
Memory bandwidth
104 GB/s
Shared memory
-
DirectX
12 API
Shader Model
5.1
6.3
OpenGL
4.5
4.6
OpenCL
1.1
2.0
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
240 Mh/s
Laptop size
medium sized
Optimus
+
Eyefinity
+
Design
reference
DisplayPort support
+
DDMA audio
+
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