Radeon Pro Vega 20 vs ATI HD 5550

Place in the ranking	1110	376
Place by popularity	not in top-100	not in top-100
Power efficiency	1.72	9.51
Architecture	TeraScale 2 (2009−2015)	GCN 5.0 (2017−2020)
GPU code name	Redwood	Vega 12
Market segment	Desktop	Mobile workstation
Release date	9 February 2010 (14 years ago)	14 November 2018 (6 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	320	1280
Core clock speed	550 MHz	815 MHz
Boost clock speed	no data	1283 MHz
Number of transistors	627 million	no data
Manufacturing process technology	40 nm	14 nm
Power consumption (TDP)	39 Watt	100 Watt
Texture fill rate	8.800	102.6
Floating-point processing power	0.352 TFLOPS	3.284 TFLOPS
ROPs	8	32
TMUs	16	80

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).

Laptop size	no data	large
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	165 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	1x 6-pin + 1x 8-pin

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	HBM2
Maximum RAM amount	2 GB	4 GB
Memory bus width	128 Bit	1024 Bit
Memory clock speed	800 MHz	740 MHz
Memory bandwidth	51.2 GB/s	189.4 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 VGA	No outputs
HDMI	+	-

API compatibility

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

DirectX	11.2 (11_0)	12 (12_1)
Shader Model	5.0	6.3
OpenGL	4.4	4.6
OpenCL	1.2	2.0
Vulkan	N/A	1.2.131

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.

ATI HD 5550 0.97

Pro Vega 20 13.74
+1316%

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.

ATI HD 5550 376

Pro Vega 20 5299
+1309%

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	4−5 −1325%	57 +1325%
4K	2−3 −1950%	41 +1950%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

21−24

+0%

21−24

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	30−35 +0%	30−35 +0%
Assassin's Creed Valhalla	21−24 +0%	21−24 +0%
Battlefield 5	40−45 +0%	40−45 +0%
Call of Duty: Modern Warfare	27−30 +0%	27−30 +0%
Cyberpunk 2077	21−24 +0%	21−24 +0%
Far Cry 5	30−35 +0%	30−35 +0%
Far Cry New Dawn	51 +0%	51 +0%
Forza Horizon 4	90−95 +0%	90−95 +0%
Hitman 3	24−27 +0%	24−27 +0%
Horizon Zero Dawn	70−75 +0%	70−75 +0%
Metro Exodus	45−50 +0%	45−50 +0%
Red Dead Redemption 2	35−40 +0%	35−40 +0%
Shadow of the Tomb Raider	76 +0%	76 +0%
Watch Dogs: Legion	70−75 +0%	70−75 +0%

Full HD
High Preset

Assassin's Creed Odyssey	30−35 +0%	30−35 +0%
Assassin's Creed Valhalla	21−24 +0%	21−24 +0%
Battlefield 5	40−45 +0%	40−45 +0%
Call of Duty: Modern Warfare	27−30 +0%	27−30 +0%
Cyberpunk 2077	21−24 +0%	21−24 +0%
Far Cry 5	30−35 +0%	30−35 +0%
Far Cry New Dawn	46 +0%	46 +0%
Forza Horizon 4	90−95 +0%	90−95 +0%
Hitman 3	24−27 +0%	24−27 +0%
Horizon Zero Dawn	70−75 +0%	70−75 +0%
Metro Exodus	45−50 +0%	45−50 +0%
Red Dead Redemption 2	35−40 +0%	35−40 +0%
Shadow of the Tomb Raider	45−50 +0%	45−50 +0%
The Witcher 3: Wild Hunt	30−35 +0%	30−35 +0%
Watch Dogs: Legion	70−75 +0%	70−75 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	30−35 +0%	30−35 +0%
Assassin's Creed Valhalla	21−24 +0%	21−24 +0%
Call of Duty: Modern Warfare	27−30 +0%	27−30 +0%
Cyberpunk 2077	21−24 +0%	21−24 +0%
Far Cry 5	30−35 +0%	30−35 +0%
Forza Horizon 4	90−95 +0%	90−95 +0%
Hitman 3	24−27 +0%	24−27 +0%
Horizon Zero Dawn	70−75 +0%	70−75 +0%
Shadow of the Tomb Raider	45−50 +0%	45−50 +0%
The Witcher 3: Wild Hunt	31 +0%	31 +0%
Watch Dogs: Legion	70−75 +0%	70−75 +0%

Full HD
Epic Preset

Red Dead Redemption 2

35−40

+0%

35−40

+0%

1440p
High Preset

Battlefield 5	27−30 +0%	27−30 +0%
Far Cry New Dawn	21−24 +0%	21−24 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	14−16 +0%	14−16 +0%
Assassin's Creed Valhalla	10−11 +0%	10−11 +0%
Call of Duty: Modern Warfare	14−16 +0%	14−16 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Far Cry 5	16−18 +0%	16−18 +0%
Forza Horizon 4	70−75 +0%	70−75 +0%
Hitman 3	16−18 +0%	16−18 +0%
Horizon Zero Dawn	27−30 +0%	27−30 +0%
Metro Exodus	21−24 +0%	21−24 +0%
Shadow of the Tomb Raider	21−24 +0%	21−24 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%
Watch Dogs: Legion	85−90 +0%	85−90 +0%

1440p
Epic Preset

Red Dead Redemption 2

21−24

+0%

21−24

+0%

4K
High Preset

Battlefield 5	12−14 +0%	12−14 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Hitman 3	10−11 +0%	10−11 +0%
Horizon Zero Dawn	65−70 +0%	65−70 +0%
Metro Exodus	12−14 +0%	12−14 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Assassin's Creed Valhalla	6−7 +0%	6−7 +0%
Call of Duty: Modern Warfare	7−8 +0%	7−8 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Forza Horizon 4	18−20 +0%	18−20 +0%
Shadow of the Tomb Raider	12−14 +0%	12−14 +0%
Watch Dogs: Legion	5−6 +0%	5−6 +0%

4K
Epic Preset

Red Dead Redemption 2

12−14

+0%

12−14

+0%

This is how ATI HD 5550 and Pro Vega 20 compete in popular games:

Pro Vega 20 is 1325% faster in 1080p
Pro Vega 20 is 1950% faster in 4K

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	0.97	13.74
Recency	9 February 2010	14 November 2018
Maximum RAM amount	2 GB	4 GB
Chip lithography	40 nm	14 nm
Power consumption (TDP)	39 Watt	100 Watt

ATI HD 5550 has 156.4% lower power consumption.

Pro Vega 20, on the other hand, has a 1316.5% higher aggregate performance score, an age advantage of 8 years, a 100% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

The Radeon Pro Vega 20 is our recommended choice as it beats the Radeon HD 5550 in performance tests.

Be aware that Radeon HD 5550 is a desktop card while Radeon Pro Vega 20 is a mobile workstation one.

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