Radeon RX 550X vs Radeon RX 640
Find out if it is worth upgrading your current GPU setup by comparing Radeon RX 550X and Radeon RX 640. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon RX 550X and Radeon RX 640. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon RX 550X
Radeon RX 640 is a Laptop Graphics Card
Note: Radeon RX 640 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 640 here:
Main Specs
| Radeon RX 550X | Radeon RX 640 | |
| Power consumption (TDP) | 50 Watt | 50 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Supplementary power connectors | None | None |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 4 GB | 4 GB |
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 1x DVI, 1x HDMI, 1x DisplayPort |
| Check Price |
- Both graphics cards have the same power consumption of 50 Watt.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- Radeon RX 550X and Radeon RX 640 have maximum RAM of 4 GB.
- Radeon RX 550X is used in Desktops, and Radeon RX 640 - in Laptops.
- Radeon RX 550X is build with GCN 4.0 architecture, and Radeon RX 640 - with Polaris.
- Core clock speed of Radeon RX 640 is 118 MHz higher, than Radeon RX 550X.
- Radeon RX 550X and Radeon RX 640 are manufactured by 14 nm process technology.
- Memory clock speed of Radeon RX 550X and Radeon RX 640 is 6000 MHz.
Game benchmarks
| high / 1080p | 10−11 | 5−6 |
| ultra / 1080p | 6−7 | 3−4 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 21−24 | 16−18 |
| medium / 1080p | 12−14 | 7−8 |
| The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 62% more, than Radeon RX 640. | ||
| high / 1080p | 16−18 | 10−12 |
| ultra / 1080p | 14−16 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 35−40 | 24−27 |
| medium / 1080p | 18−20 | 10−12 |
| The average gaming FPS of Radeon RX 550X in Battlefield 5 is 57% more, than Radeon RX 640. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | − | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| Radeon RX 550X and Radeon RX 640 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 170−180 | 130−140 |
| medium / 768p | 140−150 | 100−110 |
| ultra / 1080p | 70−75 | 50−55 |
| QHD / 1440p | 40−45 | 27−30 |
| 4K / 2160p | 30−33 | 12−14 |
| high / 768p | 100−110 | 80−85 |
| The average gaming FPS of Radeon RX 550X in Counter-Strike: Global Offensive is 37% more, than Radeon RX 640. | ||
| low / 768p | 55−60 | 50−55 |
| ultra / 1080p | 27−30 | 18−20 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of Radeon RX 550X in Cyberpunk 2077 is 12% more, than Radeon RX 640. | ||
| low / 768p | 90−95 | 80−85 |
| medium / 768p | 75−80 | 55−60 |
| ultra / 1080p | 45−50 | 30−35 |
| The average gaming FPS of Radeon RX 550X in Dota 2 is 26% more, than Radeon RX 640. | ||
| high / 1080p | 12−14 | 7−8 |
| ultra / 1080p | 10−12 | 5−6 |
| 4K / 2160p | 4−5 | 5−6 |
| low / 720p | 27−30 | 18−20 |
| medium / 1080p | 12−14 | 8−9 |
| The average gaming FPS of Radeon RX 550X in Far Cry 5 is 55% more, than Radeon RX 640. | ||
| high / 1080p | 18−20 | 7−8 |
| ultra / 1080p | 14−16 | 0−1 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 75−80 | 60−65 |
| medium / 1080p | 35−40 | 18−20 |
| The average gaming FPS of Radeon RX 550X in Fortnite is 51% more, than Radeon RX 640. | ||
| high / 1080p | 16−18 | 10−11 |
| ultra / 1080p | 14−16 | − |
| QHD / 1440p | 4−5 | − |
| 4K / 2160p | − | 8−9 |
| low / 720p | 35−40 | 24−27 |
| medium / 1080p | 20−22 | 12−14 |
| The average gaming FPS of Radeon RX 550X in Forza Horizon 4 is 56% more, than Radeon RX 640. | ||
| low / 768p | 65−70 | 50−55 |
| medium / 768p | 55−60 | − |
| high / 1080p | 18−20 | 10−12 |
| ultra / 1080p | 8−9 | 5−6 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | − | 45−50 |
| The average gaming FPS of Radeon RX 550X in Grand Theft Auto V is 34% more, than Radeon RX 640. | ||
| high / 1080p | 6−7 | 3−4 |
| ultra / 1080p | 5−6 | 1−2 |
| 4K / 2160p | 1−2 | − |
| low / 720p | 18−20 | 10−11 |
| medium / 1080p | 9−10 | 5−6 |
| The average gaming FPS of Radeon RX 550X in Metro Exodus is 100% more, than Radeon RX 640. | ||
| low / 768p | 100−110 | 90−95 |
| ultra / 1080p | 90−95 | 80−85 |
| medium / 1080p | 95−100 | − |
| The average gaming FPS of Radeon RX 550X in Minecraft is 12% more, than Radeon RX 640. | ||
| high / 1080p | 18−20 | 6−7 |
| ultra / 1080p | 14−16 | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 40−45 | 27−30 |
| medium / 1080p | 20−22 | 10−11 |
| The average gaming FPS of Radeon RX 550X in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Radeon RX 640. | ||
| high / 1080p | 12−14 | − |
| ultra / 1080p | 8−9 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 18−20 | 10−12 |
| medium / 1080p | 12−14 | 9−10 |
| The average gaming FPS of Radeon RX 550X in Red Dead Redemption 2 is 60% more, than Radeon RX 640. | ||
| low / 768p | 35−40 | 21−24 |
| medium / 768p | 21−24 | 14−16 |
| high / 1080p | 12−14 | 6−7 |
| ultra / 1080p | 8−9 | 4−5 |
| 4K / 2160p | 7−8 | 3−4 |
| The average gaming FPS of Radeon RX 550X in The Witcher 3: Wild Hunt is 70% more, than Radeon RX 640. | ||
| low / 768p | 90−95 | 75−80 |
| medium / 768p | 50−55 | 40−45 |
| ultra / 1080p | 24−27 | 18−20 |
| high / 768p | 45−50 | 35−40 |
| The average gaming FPS of Radeon RX 550X in World of Tanks is 22% more, than Radeon RX 640. | ||
Full Specs
| Radeon RX 550X | Radeon RX 640 | |
| Architecture | GCN 4.0 | Polaris |
| Code name | Lexa | Polaris 12 |
| Type | Desktop | Laptop |
| Release date | 16 December 2018 | 12 August 2019 |
| Pipelines | 512 | 640 |
| Core clock speed | 1100 MHz | 1218 MHz |
| Boost Clock | 1183 MHz | 1218 MHz |
| Transistor count | 2,200 million | 2,200 million |
| Manufacturing process technology | 14 nm | 14 nm |
| Texture fill rate | 37.86 | 38.98 |
| Floating-point performance | 1,211 gflops | |
| Length | 145 mm | |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 6000 MHz | 6000 MHz |
| Memory bandwidth | 96 GB/s | 112.0 GB/s |
| Shared memory | - | |
| DirectX | 12 (12_0) | 12 (12_0) |
| Shader Model | 6.4 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2.131 | 1.2.131 |
| FreeSync | + | |
| Laptop size | large | |
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