ATI Radeon HD 5550 vs UHD Graphics 620

Place in performance ranking	810	1119
Place by popularity	26	not in top-100
Architecture	Gen. 9.5 (2017)	TeraScale 2 (2009−2015)
GPU code name	Kaby-Lake-Refresh GT2	Redwood
Market segment	Laptop	Desktop
Release date	1 September 2017 (7 years ago)	9 February 2010 (14 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	24	320
Core clock speed	300 MHz	550 MHz
Boost clock speed	1150 MHz	no data
Number of transistors	189 million	627 million
Manufacturing process technology	14 nm	40 nm
Power consumption (TDP)	15 Watt	39 Watt
Texture fill rate	27.60	8.800
Floating-point performance	0.4416 gflops	0.352 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).

Interface	PCIe 3.0 x1	PCIe 2.0 x16
Length	no data	165 mm
Width	no data	1-slot
Supplementary power connectors	no data	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	LPDDR3/DDR4	GDDR5
Maximum RAM amount	32 GB	2 GB
Memory bus width	no data	128 Bit
Memory clock speed	no data	3200 MHz
Memory bandwidth	no data	51.2 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 DVI, 1x HDMI, 1x VGA
HDMI	-	+

Supported technologies

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

Quick Sync

no data

API compatibility

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

DirectX	12 (12_1)	11.2 (11_0)
Shader Model	6.4	5.0
OpenGL	4.6	4.4
OpenCL	2.1	1.2
Vulkan	1.1.103	N/A

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance 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.

UHD Graphics 620 2.67
+175%

ATI HD 5550 0.97

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

UHD Graphics 620 1030
+174%

ATI HD 5550 376

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	13 +225%	4−5 −225%
1440p	17 +183%	6−7 −183%
4K	7 +250%	2−3 −250%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6
+200%

2−3

−200%

Full HD
Medium Preset

Assassin's Creed Odyssey	8 +300%	2−3 −300%
Assassin's Creed Valhalla	0−1	0−1
Battlefield 5	8 +300%	2−3 −300%
Call of Duty: Modern Warfare	6 +200%	2−3 −200%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	5−6 +400%	1−2 −400%
Far Cry New Dawn	10 +233%	3−4 −233%
Forza Horizon 4	38 +217%	12−14 −217%
Hitman 3	7−8 +250%	2−3 −250%
Horizon Zero Dawn	40 +186%	14−16 −186%
Metro Exodus	2−3	0−1
Red Dead Redemption 2	9 +200%	3−4 −200%
Shadow of the Tomb Raider	15 +200%	5−6 −200%
Watch Dogs: Legion	30 +200%	10−11 −200%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 +200%	3−4 −200%
Assassin's Creed Valhalla	0−1	0−1
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	7−8 +250%	2−3 −250%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	5−6 +400%	1−2 −400%
Far Cry New Dawn	7−8 +250%	2−3 −250%
Forza Horizon 4	36 +200%	12−14 −200%
Hitman 3	7−8 +250%	2−3 −250%
Horizon Zero Dawn	34 +183%	12−14 −183%
Metro Exodus	2−3	0−1
Red Dead Redemption 2	6−7 +200%	2−3 −200%
Shadow of the Tomb Raider	11 +267%	3−4 −267%
The Witcher 3: Wild Hunt	14 +180%	5−6 −180%
Watch Dogs: Legion	35−40 +217%	12−14 −217%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 +200%	3−4 −200%
Assassin's Creed Valhalla	0−1	0−1
Call of Duty: Modern Warfare	7−8 +250%	2−3 −250%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	5−6 +400%	1−2 −400%
Forza Horizon 4	12−14 +225%	4−5 −225%
Hitman 3	7−8 +250%	2−3 −250%
Horizon Zero Dawn	5 +400%	1−2 −400%
Shadow of the Tomb Raider	14 +180%	5−6 −180%
The Witcher 3: Wild Hunt	3 +200%	1−2 −200%
Watch Dogs: Legion	35−40 +217%	12−14 −217%

Full HD
Epic Preset

Red Dead Redemption 2

6−7
+200%

2−3

−200%

1440p
High Preset

Battlefield 5	4−5 +300%	1−2 −300%
Far Cry New Dawn	4−5 +300%	1−2 −300%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3	0−1
Call of Duty: Modern Warfare	2−3	0−1
Cyberpunk 2077	1−2	0−1
Far Cry 5	3−4 +200%	1−2 −200%
Hitman 3	8−9 +300%	2−3 −300%
Horizon Zero Dawn	7−8 +250%	2−3 −250%
The Witcher 3: Wild Hunt	2−3	0−1
Watch Dogs: Legion	16−18 +220%	5−6 −220%

1440p
Epic Preset

Red Dead Redemption 2

6−7
+200%

2−3

−200%

4K
High Preset

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

4K
Ultra Preset

Assassin's Creed Odyssey	2−3	0−1
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Far Cry 5	1−2	0−1
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5
+300%

1−2

−300%

This is how UHD Graphics 620 and ATI HD 5550 compete in popular games:

UHD Graphics 620 is 225% faster in 1080p
UHD Graphics 620 is 183% faster in 1440p
UHD Graphics 620 is 250% faster in 4K

Pros & cons summary

Performance score	2.67	0.97
Recency	1 September 2017	9 February 2010
Maximum RAM amount	32 GB	2 GB
Chip lithography	14 nm	40 nm
Power consumption (TDP)	15 Watt	39 Watt

UHD Graphics 620 has a 175.3% higher aggregate performance score, an age advantage of 7 years, a 1500% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 160% lower power consumption.

The UHD Graphics 620 is our recommended choice as it beats the Radeon HD 5550 in performance tests.

Be aware that UHD Graphics 620 is a notebook card while Radeon HD 5550 is a desktop one.

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