GeForce MX450 vs Radeon RX 580X

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Aggregate performance score

We've compared Radeon RX 580X with GeForce MX450, including specs and performance data.

RX 580X
2018
8 GB GDDR5, 185 Watt
16.76
+73%

RX 580X outperforms MX450 by an impressive 73% based on our aggregate benchmark results.

Primary details

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

Place in the ranking325460
Place by popularitynot in top-100not in top-100
Power efficiency6.2126.57
ArchitectureGCN 4.0 (2016−2020)Turing (2018−2022)
GPU code namePolaris 20N17S-G5 / GP107-670-A1
Market segmentDesktopLaptop
Release date11 April 2018 (6 years ago)1 August 2020 (4 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores2304896
Core clock speed1257 MHz1395 MHz
Boost clock speed1340 MHz1575 MHz
Number of transistors5,700 million4,700 million
Manufacturing process technology14 nm12 nm
Power consumption (TDP)185 Watt25 Watt (12 - 29 Watt TGP)
Texture fill rate193.0100.8
Floating-point processing power6.175 TFLOPS3.226 TFLOPS
ROPs3232
TMUs14464

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).

InterfacePCIe 3.0 x16PCIe 4.0 x4
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 8-pinNone

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 typeGDDR5GDDR5, GDDR6
Maximum RAM amount8 GB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed2000 MHz10000 MHz
Memory bandwidth256.0 GB/s64.03 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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

Supported technologies

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

Optimus-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)12 (12_1)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.01.2
Vulkan1.2.1311.2
CUDA-7.5

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RX 580X 16.76
+73%
GeForce MX450 9.69

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RX 580X 6458
+73%
GeForce MX450 3734

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 HD50−55
+72.4%
29
−72.4%
1440p30−35
+66.7%
18
−66.7%
4K50−55
+66.7%
30
−66.7%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 32
+0%
32
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 10
+0%
10
+0%
Battlefield 5 30−33
+0%
30−33
+0%
Call of Duty: Modern Warfare 20−22
+0%
20−22
+0%
Cyberpunk 2077 22
+0%
22
+0%
Far Cry 5 21−24
+0%
21−24
+0%
Far Cry New Dawn 27−30
+0%
27−30
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
Hitman 3 30
+0%
30
+0%
Horizon Zero Dawn 50−55
+0%
50−55
+0%
Metro Exodus 55
+0%
55
+0%
Red Dead Redemption 2 45
+0%
45
+0%
Shadow of the Tomb Raider 30−35
+0%
30−35
+0%
Watch Dogs: Legion 94
+0%
94
+0%

Full HD
High Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 6
+0%
6
+0%
Battlefield 5 30−33
+0%
30−33
+0%
Call of Duty: Modern Warfare 20−22
+0%
20−22
+0%
Cyberpunk 2077 13
+0%
13
+0%
Far Cry 5 21−24
+0%
21−24
+0%
Far Cry New Dawn 27−30
+0%
27−30
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
Hitman 3 29
+0%
29
+0%
Horizon Zero Dawn 50−55
+0%
50−55
+0%
Metro Exodus 37
+0%
37
+0%
Red Dead Redemption 2 27−30
+0%
27−30
+0%
Shadow of the Tomb Raider 40
+0%
40
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%
Watch Dogs: Legion 89
+0%
89
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 11
+0%
11
+0%
Call of Duty: Modern Warfare 20−22
+0%
20−22
+0%
Cyberpunk 2077 8
+0%
8
+0%
Far Cry 5 21−24
+0%
21−24
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
Hitman 3 25
+0%
25
+0%
Horizon Zero Dawn 24
+0%
24
+0%
Shadow of the Tomb Raider 30
+0%
30
+0%
The Witcher 3: Wild Hunt 20
+0%
20
+0%
Watch Dogs: Legion 7
+0%
7
+0%

Full HD
Epic Preset

Red Dead Redemption 2 31
+0%
31
+0%

1440p
High Preset

Battlefield 5 18−20
+0%
18−20
+0%
Far Cry New Dawn 14−16
+0%
14−16
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 9−10
+0%
9−10
+0%
Assassin's Creed Valhalla 7
+0%
7
+0%
Call of Duty: Modern Warfare 10−11
+0%
10−11
+0%
Cyberpunk 2077 5−6
+0%
5−6
+0%
Far Cry 5 10−12
+0%
10−12
+0%
Forza Horizon 4 40−45
+0%
40−45
+0%
Hitman 3 18
+0%
18
+0%
Horizon Zero Dawn 20−22
+0%
20−22
+0%
Metro Exodus 14−16
+0%
14−16
+0%
Shadow of the Tomb Raider 18
+0%
18
+0%
The Witcher 3: Wild Hunt 9−10
+0%
9−10
+0%
Watch Dogs: Legion 60−65
+0%
60−65
+0%

1440p
Epic Preset

Red Dead Redemption 2 26
+0%
26
+0%

4K
High Preset

Battlefield 5 9−10
+0%
9−10
+0%
Far Cry New Dawn 7−8
+0%
7−8
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 40−45
+0%
40−45
+0%
Metro Exodus 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 5−6
+0%
5−6
+0%
Forza Horizon 4 12−14
+0%
12−14
+0%
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
Watch Dogs: Legion 3−4
+0%
3−4
+0%

4K
Epic Preset

Red Dead Redemption 2 9−10
+0%
9−10
+0%

This is how RX 580X and GeForce MX450 compete in popular games:

  • RX 580X is 72% faster in 1080p
  • RX 580X is 67% faster in 1440p
  • RX 580X is 67% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 16.76 9.69
Recency 11 April 2018 1 August 2020
Maximum RAM amount 8 GB 2 GB
Chip lithography 14 nm 12 nm
Power consumption (TDP) 185 Watt 25 Watt

RX 580X has a 73% higher aggregate performance score, and a 300% higher maximum VRAM amount.

GeForce MX450, on the other hand, has an age advantage of 2 years, a 16.7% more advanced lithography process, and 640% lower power consumption.

The Radeon RX 580X is our recommended choice as it beats the GeForce MX450 in performance tests.

Be aware that Radeon RX 580X is a desktop card while GeForce MX450 is a notebook one.


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

Vote for your favorite

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AMD Radeon RX 580X
Radeon RX 580X
NVIDIA GeForce MX450
GeForce MX450

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.


3.6 117 votes

Rate Radeon RX 580X on a scale of 1 to 5:

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3.6 1322 votes

Rate GeForce MX450 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.