GeForce GTS 450 Rev. 2 vs GT 645M

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Aggregate performance score

We've compared GeForce GT 645M with GeForce GTS 450 Rev. 2, including specs and performance data.

GT 645M
2012
2 GB DDR3\GDDR5, 32 Watt
2.42

GTS 450 Rev. 2 outperforms GT 645M by an impressive 82% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking843664
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Fermi 2.0 (2010−2014)
GPU code nameN13P-GSGF116
Market segmentLaptopDesktop
Release date22 March 2012 (12 years ago)15 March 2011 (13 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384192
CUDA cores384no data
Core clock speedUp to 710 MHz783 MHz
Number of transistors1,270 million1,170 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)32 Watt106 Watt
Texture fill rate22.6925.06
Floating-point performance0.5445 gflops0.6013 gflops

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizemedium sizedno data
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 2.0 x16
Lengthno data210 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3\GDDR5GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width128bit128 Bit
Memory clock speed1800 MHz3608 MHz
Memory bandwidthUp to 64.0 GB/s57.73 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs2x DVI, 1x mini-HDMI
HDMI++
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-
Optimus+-

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 API12 (11_0)
Shader Model5.15.1
OpenGL4.54.6
OpenCL1.11.1
Vulkan1.1.126N/A
CUDA+2.1

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD26
−73.1%
45−50
+73.1%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 5−6
−80%
9−10
+80%

Full HD
Medium Preset

Assassin's Creed Odyssey 8−9
−75%
14−16
+75%
Battlefield 5 3−4
−66.7%
5−6
+66.7%
Call of Duty: Modern Warfare 6−7
−66.7%
10−11
+66.7%
Cyberpunk 2077 5−6
−80%
9−10
+80%
Far Cry 5 4−5
−75%
7−8
+75%
Far Cry New Dawn 6−7
−66.7%
10−11
+66.7%
Forza Horizon 4 10−12
−63.6%
18−20
+63.6%
Hitman 3 7−8
−71.4%
12−14
+71.4%
Horizon Zero Dawn 20−22
−75%
35−40
+75%
Metro Exodus 1−2
+0%
1−2
+0%
Red Dead Redemption 2 5−6
−80%
9−10
+80%
Shadow of the Tomb Raider 10−12
−63.6%
18−20
+63.6%
Watch Dogs: Legion 35−40
−75.7%
65−70
+75.7%

Full HD
High Preset

Assassin's Creed Odyssey 8−9
−75%
14−16
+75%
Battlefield 5 3−4
−66.7%
5−6
+66.7%
Call of Duty: Modern Warfare 6−7
−66.7%
10−11
+66.7%
Cyberpunk 2077 5−6
−80%
9−10
+80%
Far Cry 5 4−5
−75%
7−8
+75%
Far Cry New Dawn 6−7
−66.7%
10−11
+66.7%
Forza Horizon 4 10−12
−63.6%
18−20
+63.6%
Hitman 3 7−8
−71.4%
12−14
+71.4%
Horizon Zero Dawn 20−22
−75%
35−40
+75%
Metro Exodus 1−2
+0%
1−2
+0%
Red Dead Redemption 2 5−6
−80%
9−10
+80%
Shadow of the Tomb Raider 10−12
−63.6%
18−20
+63.6%
The Witcher 3: Wild Hunt 12−14
−61.5%
21−24
+61.5%
Watch Dogs: Legion 35−40
−75.7%
65−70
+75.7%

Full HD
Ultra Preset

Assassin's Creed Odyssey 8−9
−75%
14−16
+75%
Call of Duty: Modern Warfare 6−7
−66.7%
10−11
+66.7%
Cyberpunk 2077 5−6
−80%
9−10
+80%
Far Cry 5 4−5
−75%
7−8
+75%
Forza Horizon 4 10−12
−63.6%
18−20
+63.6%
Hitman 3 7−8
−71.4%
12−14
+71.4%
Horizon Zero Dawn 20−22
−75%
35−40
+75%
Shadow of the Tomb Raider 10−12
−63.6%
18−20
+63.6%
The Witcher 3: Wild Hunt 12−14
−61.5%
21−24
+61.5%
Watch Dogs: Legion 35−40
−75.7%
65−70
+75.7%

Full HD
Epic Preset

Red Dead Redemption 2 5−6
−80%
9−10
+80%

1440p
High Preset

Battlefield 5 4−5
−75%
7−8
+75%
Far Cry New Dawn 4−5
−75%
7−8
+75%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 3−4
−66.7%
5−6
+66.7%
Hitman 3 7−8
−71.4%
12−14
+71.4%
Horizon Zero Dawn 6−7
−66.7%
10−11
+66.7%
The Witcher 3: Wild Hunt 2−3
−50%
3−4
+50%
Watch Dogs: Legion 14−16
−71.4%
24−27
+71.4%

1440p
Epic Preset

Red Dead Redemption 2 5−6
−80%
9−10
+80%

4K
High Preset

Battlefield 5 0−1 0−1
Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
−66.7%
5−6
+66.7%

This is how GT 645M and GTS 450 Rev. 2 compete in popular games:

  • GTS 450 Rev. 2 is 73% faster in 1080p

Pros & cons summary


Performance score 2.42 4.41
Recency 22 March 2012 15 March 2011
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 32 Watt 106 Watt

GT 645M has an age advantage of 1 year, a 100% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 231.3% lower power consumption.

GTS 450 Rev. 2, on the other hand, has a 82.2% higher aggregate performance score.

The GeForce GTS 450 Rev. 2 is our recommended choice as it beats the GeForce GT 645M in performance tests.

Be aware that GeForce GT 645M is a notebook card while GeForce GTS 450 Rev. 2 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GT 645M
GeForce GT 645M
NVIDIA GeForce GTS 450 Rev. 2
GeForce GTS 450 Rev. 2

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 94 votes

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3.2 39 votes

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Questions & comments

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