GeForce 820A vs Radeon HD 6550D

Place in the ranking	1091	988
Place by popularity	not in top-100	not in top-100
Power efficiency	1.11	6.65
Architecture	TeraScale 2 (2009−2015)	Fermi 2.0 (2010−2014)
GPU code name	Sumo	GF117
Market segment	Desktop	Laptop
Release date	20 June 2011 (13 years ago)	17 March 2014 (10 years ago)

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	400	96
Core clock speed	600 MHz	775 MHz
Number of transistors	1,178 million	585 million
Manufacturing process technology	32 nm	28 nm
Power consumption (TDP)	65 Watt	15 Watt
Texture fill rate	12.00	12.40
Floating-point processing power	0.48 TFLOPS	0.2976 TFLOPS
ROPs	8	8
TMUs	20	16

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	IGP	PCIe 2.0 x16
Width	IGP	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	System Shared	DDR3
Maximum RAM amount	System Shared	1 GB
Memory bus width	System Shared	64 Bit
Memory clock speed	System Shared	900 MHz
Memory bandwidth	no data	14.4 GB/s
Shared memory	+	no data

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

API compatibility

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

DirectX	11.2 (11_0)	12 (11_0)
Shader Model	5.0	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.1
Vulkan	N/A	N/A
CUDA	-	2.1

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

GeForce 820A 1.44
+38.5%

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

GeForce 820A 555
+38.8%

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

−35%

27−30
+35%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4

−33.3%

4−5
+33.3%

Full HD
Medium Preset

Assassin's Creed Odyssey	5−6 −20%	6−7 +20%
Call of Duty: Modern Warfare	4−5 −25%	5−6 +25%
Cyberpunk 2077	3−4 −33.3%	4−5 +33.3%
Far Cry 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Forza Horizon 4	0−1	0−1
Hitman 3	5−6 −20%	6−7 +20%
Horizon Zero Dawn	12−14 −38.5%	18−20 +38.5%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
Shadow of the Tomb Raider	7−8 −28.6%	9−10 +28.6%
Watch Dogs: Legion	30−35 −25%	40−45 +25%

Full HD
High Preset

Assassin's Creed Odyssey	5−6 −20%	6−7 +20%
Call of Duty: Modern Warfare	4−5 −25%	5−6 +25%
Cyberpunk 2077	3−4 −33.3%	4−5 +33.3%
Far Cry 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Forza Horizon 4	0−1	0−1
Hitman 3	5−6 −20%	6−7 +20%
Horizon Zero Dawn	12−14 −38.5%	18−20 +38.5%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
Shadow of the Tomb Raider	7−8 −28.6%	9−10 +28.6%
The Witcher 3: Wild Hunt	10−12 −27.3%	14−16 +27.3%
Watch Dogs: Legion	30−35 −25%	40−45 +25%

Full HD
Ultra Preset

Assassin's Creed Odyssey	5−6 −20%	6−7 +20%
Call of Duty: Modern Warfare	4−5 −25%	5−6 +25%
Cyberpunk 2077	3−4 −33.3%	4−5 +33.3%
Far Cry 5	1−2 +0%	1−2 +0%
Forza Horizon 4	0−1	0−1
Hitman 3	5−6 −20%	6−7 +20%
Horizon Zero Dawn	12−14 −38.5%	18−20 +38.5%
Shadow of the Tomb Raider	7−8 −28.6%	9−10 +28.6%
The Witcher 3: Wild Hunt	10−12 −27.3%	14−16 +27.3%
Watch Dogs: Legion	30−35 −25%	40−45 +25%

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 −28.6%	9−10 +28.6%
Horizon Zero Dawn	4−5 −25%	5−6 +25%
The Witcher 3: Wild Hunt	0−1	0−1
Watch Dogs: Legion	4−5 −25%	5−6 +25%

1440p
Epic Preset

Red Dead Redemption 2

4−5

−25%

5−6
+25%

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 HD 6550D and GeForce 820A compete in popular games:

GeForce 820A is 35% faster in 1080p

Pros & cons summary

Performance score	1.04	1.44
Recency	20 June 2011	17 March 2014
Chip lithography	32 nm	28 nm
Power consumption (TDP)	65 Watt	15 Watt

GeForce 820A has a 38.5% higher aggregate performance score, an age advantage of 2 years, a 14.3% more advanced lithography process, and 333.3% lower power consumption.

The GeForce 820A is our recommended choice as it beats the Radeon HD 6550D in performance tests.

Be aware that Radeon HD 6550D is a desktop card while GeForce 820A is a notebook one.

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