Radeon HD 6430M vs RX 550

Place in the ranking	550	1234
Place by popularity	21	not in top-100
Cost-effectiveness evaluation	2.92	no data
Power efficiency	9.70	no data
Architecture	GCN 4.0 (2016−2020)	TeraScale 2 (2009−2015)
GPU code name	Lexa	Seymour
Market segment	Desktop	Laptop
Release date	20 April 2017 (7 years ago)	4 January 2011 (13 years ago)
Launch price (MSRP)	$79	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 cores	512	160
Core clock speed	1100 MHz	480 MHz
Boost clock speed	1183 MHz	no data
Number of transistors	2,200 million	370 million
Manufacturing process technology	14 nm	40 nm
Power consumption (TDP)	50 Watt	no data
Texture fill rate	37.86	3.840
Floating-point processing power	1.211 TFLOPS	0.1536 TFLOPS
ROPs	16	4
TMUs	32	8

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	PCIe 3.0 x8	PCIe 2.0 x16
Length	145 mm	no data
Width	2-slot	no data
Supplementary power connectors	None	no 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 type	GDDR5	DDR3
Maximum RAM amount	4 GB	1 GB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1750 MHz	800 MHz
Memory bandwidth	112.0 GB/s	12.8 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	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (12_0)	11.2 (11_0)
Shader Model	6.4	5.0
OpenGL	4.6	4.4
OpenCL	2.0	1.2
Vulkan	1.2.131	N/A

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 550 7.08
+1316%

HD 6430M 0.50

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 550 2728
+1321%

HD 6430M 192

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3

+0%

2−3

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	2−3 +0%	2−3 +0%

1440p
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

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%

All in all, in popular games:

there's a draw in 29 tests (100%)

Pros & cons summary

Performance score	7.08	0.50
Recency	20 April 2017	4 January 2011
Maximum RAM amount	4 GB	1 GB
Chip lithography	14 nm	40 nm

RX 550 has a 1316% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

The Radeon RX 550 is our recommended choice as it beats the Radeon HD 6430M in performance tests.

Be aware that Radeon RX 550 is a desktop card while Radeon HD 6430M is a notebook one.

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