Radeon RX 6400 vs HD 6550D

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Aggregate performance score

We've compared Radeon HD 6550D and Radeon RX 6400, covering specs and all relevant benchmarks.

HD 6550D
2011
65 Watt
1.04

RX 6400 outperforms HD 6550D by a whopping 1788% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1092278
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.13
Power efficiency1.1626.76
ArchitectureTeraScale 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameSumoNavi 24
Market segmentDesktopDesktop
Release date20 June 2011 (13 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

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 cores400768
Core clock speed600 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors1,178 million5,400 million
Manufacturing process technology32 nm6 nm
Power consumption (TDP)65 Watt53 Watt
Texture fill rate12.00111.4
Floating-point processing power0.48 TFLOPS3.565 TFLOPS
ROPs832
TMUs2048
Ray Tracing Coresno data12

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).

InterfaceIGPPCIe 4.0 x4
WidthIGP1-slot
Supplementary power connectorsno dataNone

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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data128.0 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 outputs1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

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.

HD 6550D 1.04
RX 6400 19.64
+1788%

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.

HD 6550D 400
RX 6400 7579
+1795%

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 HD20
−1650%
350−400
+1650%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−1733%
55−60
+1733%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
−1700%
90−95
+1700%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 2−3
−1650%
35−40
+1650%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1700%
90−95
+1700%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Red Dead Redemption 2 1−2
−1700%
18−20
+1700%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
−1700%
90−95
+1700%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 2−3
−1650%
35−40
+1650%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1700%
90−95
+1700%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Red Dead Redemption 2 1−2
−1700%
18−20
+1700%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
The Witcher 3: Wild Hunt 10−12
−1718%
200−210
+1718%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
−1700%
90−95
+1700%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1700%
90−95
+1700%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
The Witcher 3: Wild Hunt 10−12
−1718%
200−210
+1718%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
−1700%
18−20
+1700%

1440p
High Preset

Battlefield 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 1−2
−1700%
18−20
+1700%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
−1700%
18−20
+1700%
Cyberpunk 2077 1−2
−1700%
18−20
+1700%
Far Cry 5 1−2
−1700%
18−20
+1700%
Hitman 3 7−8
−1757%
130−140
+1757%
Horizon Zero Dawn 4−5
−1775%
75−80
+1775%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
−1775%
75−80
+1775%

1440p
Epic Preset

Red Dead Redemption 2 4−5
−1775%
75−80
+1775%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−1700%
18−20
+1700%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
−1650%
35−40
+1650%

This is how HD 6550D and RX 6400 compete in popular games:

  • RX 6400 is 1650% faster in 1080p

Pros & cons summary


Performance score 1.04 19.64
Recency 20 June 2011 19 January 2022
Chip lithography 32 nm 6 nm
Power consumption (TDP) 65 Watt 53 Watt

RX 6400 has a 1788.5% higher aggregate performance score, an age advantage of 10 years, a 433.3% more advanced lithography process, and 22.6% lower power consumption.

The Radeon RX 6400 is our recommended choice as it beats the Radeon HD 6550D in performance tests.


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

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AMD Radeon HD 6550D
Radeon HD 6550D
AMD Radeon RX 6400
Radeon RX 6400

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 91 vote

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4.1 1843 votes

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Questions & comments

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