Radeon RX 6400 vs ATI Mobility HD 4550

Place in the ranking	1300	276
Place by popularity	not in top-100	98
Cost-effectiveness evaluation	no data	53.67
Power efficiency	no data	25.95
Architecture	Terascale 1 (2010)	RDNA 2.0 (2020−2024)
GPU code name	M92	Navi 24
Market segment	Laptop	Desktop
Release date	1 January 2010 (14 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 cores	80	768
Core clock speed	550 MHz	1923 MHz
Boost clock speed	no data	2321 MHz
Number of transistors	242 million	5,400 million
Manufacturing process technology	55 nm	6 nm
Power consumption (TDP)	no data	53 Watt
Texture fill rate	4.400	111.4
Floating-point processing power	0.088 TFLOPS	3.565 TFLOPS
ROPs	4	32
TMUs	8	48
Ray Tracing Cores	no data	12

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).

Interface	MXM-II	PCIe 4.0 x4
Width	no data	1-slot
Supplementary power connectors	None	None

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 type	GDDR3, DDR2, DDR3	GDDR6
Maximum RAM amount	512 MB	4 GB
Memory bus width	64 Bit	64 Bit
Memory clock speed	700 MHz	2000 MHz
Memory bandwidth	11.2 GB/s	128.0 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 Connectors	No outputs	1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI	-	+

API compatibility

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

DirectX	10.1 (10_1)	12 Ultimate (12_2)
Shader Model	4.1	6.7
OpenGL	3.3	4.6
OpenCL	1.1	2.2
Vulkan	N/A	1.3

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 HD

−5400%

550−600
+5400%

Cost per frame, $

1080p

no data

0.29

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3
−5400%

110−120

+5400%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
The Witcher 3: Wild Hunt	9−10 −5456%	500−550 +5456%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
The Witcher 3: Wild Hunt	9−10 −5456%	500−550 +5456%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 −5733%	350−400 +5733%
Horizon Zero Dawn	2−3 −5400%	110−120 +5400%

1440p
Epic Preset

Red Dead Redemption 2

2−3
−5400%

110−120

+5400%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −5400%	55−60 +5400%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3
−5400%

110−120

+5400%

This is how ATI Mobility HD 4550 and RX 6400 compete in popular games:

RX 6400 is 5400% faster in 1080p

Pros & cons summary

Performance score	0.33	19.71
Recency	1 January 2010	19 January 2022
Maximum RAM amount	512 MB	4 GB
Chip lithography	55 nm	6 nm

RX 6400 has a 5872.7% higher aggregate performance score, an age advantage of 12 years, a 700% higher maximum VRAM amount, and a 816.7% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the Mobility Radeon HD 4550 in performance tests.

Be aware that Mobility Radeon HD 4550 is a notebook card while Radeon RX 6400 is a desktop one.

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