Radeon HD 6450 GDDR5 vs RX 550

Place in the ranking	546	1123
Place by popularity	18	not in top-100
Cost-effectiveness evaluation	2.92	no data
Power efficiency	3.24	0.81
Architecture	GCN 4.0 (2016−2020)	Terascale 2 (2009−2015)
GPU code name	Lexa	Caicos
Market segment	Desktop	Desktop
Release date	20 April 2017 (7 years ago)	18 April 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	750 MHz
Boost clock speed	1183 MHz	no data
Number of transistors	2,200 million	no data
Manufacturing process technology	14 nm	40 nm
Power consumption (TDP)	50 Watt	27 Watt
Texture fill rate	37.86	no data
Floating-point processing power	1.211 TFLOPS	no data
ROPs	16	no data
TMUs	32	no data

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	no data
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	GDDR5
Maximum RAM amount	4 GB	1 GB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1750 MHz	900 MHz
Memory bandwidth	112.0 GB/s	no data
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 data
HDMI	+	-

API compatibility

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

DirectX	12 (12_0)	11
Shader Model	6.4	no data
OpenGL	4.6	no data
OpenCL	2.0	no data
Vulkan	1.2.131	-

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:

900p	50−55 +614%	7 −614%
Full HD	110−120 +588%	16 −588%
1200p	35−40 +600%	5 −600%

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	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	12−14 +0%	12−14 +0%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
Shadow of the Tomb Raider	7−8 +0%	7−8 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
High Preset

Assassin's Creed Odyssey	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	12−14 +0%	12−14 +0%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
Shadow of the Tomb Raider	7−8 +0%	7−8 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	12−14 +0%	12−14 +0%
Shadow of the Tomb Raider	7−8 +0%	7−8 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Epic Preset

Red Dead Redemption 2

1−2

+0%

1−2

+0%

1440p
High Preset

Battlefield 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	1−2 +0%	1−2 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	0−1	0−1
Watch Dogs: Legion	4−5 +0%	4−5 +0%

1440p
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

4K
High Preset

Far Cry New Dawn

0−1

4K
Ultra Preset

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

+0%

2−3

+0%

This is how RX 550 and HD 6450 GDDR5 compete in popular games:

RX 550 is 614% faster in 900p
RX 550 is 588% faster in 1080p
RX 550 is 600% faster in 1200p

All in all, in popular games:

there's a draw in 43 tests (100%)

Pros & cons summary

Performance score	7.11	0.96
Recency	20 April 2017	18 April 2011
Maximum RAM amount	4 GB	1 GB
Chip lithography	14 nm	40 nm
Power consumption (TDP)	50 Watt	27 Watt

RX 550 has a 640.6% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

HD 6450 GDDR5, on the other hand, has 85.2% lower power consumption.

The Radeon RX 550 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.

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