HD 7420G vs HD 6450 GDDR5

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Combined performance score

HD 6450 GDDR5
0.96
+21.5%

HD 6450 GDDR5 outperforms HD 7420G by 22% in our combined benchmark results.

General info

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

Place in performance ranking10741102
Place by popularitynot in top-100not in top-100
Value for money0.010.01
ArchitectureTerascale 2 (2009−2015)Terascale 3 (2010−2013)
GPU code nameCaicosTrinity
Market segmentDesktopLaptop
Release date18 April 2011 (12 years old)1 June 2012 (11 years old)
Current price$129 $338
Value for money

Performance to price ratio. The higher, the better.

HD 6450 GDDR5 and HD 7420G have a nearly equal value for money.

Technical specs

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 cores160128
Core clock speed750 MHz480 MHz
Boost clock speedno data655 MHz
Number of transistorsno data1,303 million
Manufacturing process technology40 nm32 nm
Power consumption (TDP)27 Watt35 Watt
Texture fill rateno data5.240

Size and compatibility

Information on Radeon HD 6450 GDDR5 and Radeon HD 7420G compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizeno datamedium sized
Interfaceno dataIGP

Memory

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 typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Shared memory-+

Video outputs and ports

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 dataNo outputs

API support

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

DirectX1111.2 (11_0)
Shader Modelno data5.0
OpenGLno data4.4
OpenCLno data1.2
Vulkanno dataN/A

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance 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.

HD 6450 GDDR5 0.96
+21.5%
HD 7420G 0.79

HD 6450 GDDR5 outperforms HD 7420G by 22% in our combined benchmark results.


3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

Benchmark coverage: 17%

HD 6450 GDDR5 2822
+64.3%
HD 7420G 1718

HD 6450 GDDR5 outperforms HD 7420G by 64% in 3DMark Vantage Performance.

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

Benchmark coverage: 17%

HD 6450 GDDR5 623
+37.5%
HD 7420G 453

HD 6450 GDDR5 outperforms HD 7420G by 38% in 3DMark 11 Performance GPU.

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

Benchmark coverage: 14%

HD 6450 GDDR5 464
+35.3%
HD 7420G 343

HD 6450 GDDR5 outperforms HD 7420G by 35% in 3DMark Fire Strike Graphics.

3DMark Cloud Gate GPU

Cloud Gate is an outdated DirectX 11 feature level 10 benchmark that was used for home PCs and basic notebooks. It displays a few scenes of some weird space teleportation device launching spaceships into unknown, using fixed resolution of 1280x720. Just like Ice Storm benchmark, it has been discontinued in January 2020 and replaced by 3DMark Night Raid.

Benchmark coverage: 14%

HD 6450 GDDR5 4257
+56.7%
HD 7420G 2717

HD 6450 GDDR5 outperforms HD 7420G by 57% in 3DMark Cloud Gate GPU.

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:

900p7
+40%
5−6
−40%
Full HD15
+25%
12−14
−25%
1200p5
+25%
4−5
−25%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Call of Duty: Modern Warfare 9−10
+12.5%
8−9
−12.5%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Hitman 3 0−1 0−1
Horizon Zero Dawn 0−1 0−1
Red Dead Redemption 2 3−4
+0%
3−4
+0%
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%

Full HD
High Preset

Call of Duty: Modern Warfare 9−10
+12.5%
8−9
−12.5%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Hitman 3 0−1 0−1
Horizon Zero Dawn 0−1 0−1
Metro Exodus 1−2
+0%
1−2
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%

Full HD
Ultra Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%

1440p
High Preset

Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Hitman 3 3−4
+0%
3−4
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 5−6
+25%
4−5
−25%

1440p
Ultra Preset

Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%

4K
High Preset

Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Hitman 3 1−2
+0%
1−2
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Assassin's Creed Valhalla 0−1 0−1
Far Cry 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 5−6
+0%
5−6
+0%

This is how HD 6450 GDDR5 and HD 7420G compete in popular games:

900p resolution:

  • HD 6450 GDDR5 is 40% faster than HD 7420G

1080p resolution:

  • HD 6450 GDDR5 is 25% faster than HD 7420G

1200p resolution:

  • HD 6450 GDDR5 is 25% faster than HD 7420G

Here's the range of performance differences observed across popular games:

  • in Shadow of the Tomb Raider, with 1440p resolution and the High Preset, the HD 6450 GDDR5 is 25% faster than the HD 7420G.

All in all, in popular games:

  • HD 6450 GDDR5 is ahead in 3 tests (12%)
  • there's a draw in 22 tests (88%)

Advantages and disadvantages


Performance score 0.96 0.79
Recency 18 April 2011 1 June 2012
Maximum RAM amount 1 GB System Shared
Chip lithography 40 nm 32 nm
Power consumption (TDP) 27 Watt 35 Watt

The Radeon HD 6450 GDDR5 is our recommended choice as it beats the Radeon HD 7420G in performance tests.

Be aware that Radeon HD 6450 GDDR5 is a desktop card while Radeon HD 7420G is a notebook one.


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

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5
AMD Radeon HD 7420G
Radeon HD 7420G

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