Radeon HD 8400 vs GeForce GT 620

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Aggregate performance score

We've compared GeForce GT 620 with Radeon HD 8400, including specs and performance data.

GT 620
2012
1 GB DDR3, 49 Watt
0.98
+42%

GT 620 outperforms HD 8400 by a considerable 42% based on our aggregate benchmark results.

Primary details

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

Place in the ranking11151179
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.02no data
ArchitectureFermi (2010−2014)GCN (2011−2017)
GPU code nameGF108Kabini
Market segmentDesktopLaptop
Release date15 May 2012 (12 years ago)23 May 2013 (11 years ago)
Launch price (MSRP)$39.99 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores96128
CUDA cores96no data
Core clock speed700 MHz600 MHz
Number of transistors585 million1,178 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)49 Watt25 Watt
Maximum GPU temperature98 °Cno data
Texture fill rate11.203.200
Floating-point processing power0.2688 gflops0.1024 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).

Bus supportPCI Express 2.0no data
InterfacePCIe 2.0 x16IGP
Length145 mmno data
Height2.7" (6.9 cm)no data
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeDDR3no data
Maximum RAM amount1 GBSystem Shared
Memory bus width64 Bitno data
Memory clock speed1.8 GB/sno data
Memory bandwidth14.4 GB/sno data
Shared memoryno data+

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 ConnectorsDual Link DVI-I, HDMI, VGANo outputs
Multi monitor support+no data
HDMI+-
HDCP+-
Maximum VGA resolution2048x1536no data
Audio input for HDMIInternalno data

Supported technologies

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

3D Blu-Ray+-

API compatibility

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

DirectX12 (11_0)12 (12_0)
Shader Model5.16.3
OpenGL4.24.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA+-

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.

GT 620 0.98
+42%
HD 8400 0.69

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.

GT 620 377
+41.7%
HD 8400 266

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 HD14−16
+40%
10
−40%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
High Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−33
+0%
30−33
+0%

Full HD
Epic Preset

Red Dead Redemption 2 0−1 0−1

1440p
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 3−4
+0%
3−4
+0%
Watch Dogs: Legion 2−3
+0%
2−3
+0%

1440p
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

This is how GT 620 and HD 8400 compete in popular games:

  • GT 620 is 40% faster in 1080p

All in all, in popular games:

  • there's a draw in 35 tests (100%)

Pros & cons summary


Performance score 0.98 0.69
Recency 15 May 2012 23 May 2013
Chip lithography 40 nm 28 nm
Power consumption (TDP) 49 Watt 25 Watt

GT 620 has a 42% higher aggregate performance score.

HD 8400, on the other hand, has an age advantage of 1 year, a 42.9% more advanced lithography process, and 96% lower power consumption.

The GeForce GT 620 is our recommended choice as it beats the Radeon HD 8400 in performance tests.

Be aware that GeForce GT 620 is a desktop card while Radeon HD 8400 is a notebook 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 620
GeForce GT 620
AMD Radeon HD 8400
Radeon HD 8400

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.


2.8 411 votes

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2.8 126 votes

Rate Radeon HD 8400 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.