Radeon RX 640 vs Radeon Sky 500
Find out if it is worth upgrading your current GPU setup by comparing Radeon RX 640 and Radeon Sky 500. 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 640 and Radeon Sky 500. 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 Sky 500
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 640 | Radeon Sky 500 | |
| Power consumption (TDP) | 50 Watt | 150 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Supplementary power connectors | None | 1x 6-pin |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 4 GB | 4 GB |
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 1x DisplayPort |
| Check Price |
- Radeon Sky 500 has 200% more power consumption, than Radeon RX 640.
- Radeon RX 640 is connected by PCIe 3.0 x8, and Radeon Sky 500 uses PCIe 3.0 x16 interface.
- Radeon RX 640 and Radeon Sky 500 have maximum RAM of 4 GB.
- Radeon RX 640 is used in Laptops, and Radeon Sky 500 - in Desktops.
- Radeon RX 640 is build with Polaris architecture, and Radeon Sky 500 - with GCN 1.0.
- Core clock speed of Radeon RX 640 is 268 MHz higher, than Radeon Sky 500.
- Radeon RX 640 is manufactured by 14 nm process technology, and Radeon Sky 500 - by 28 nm process technology.
- Memory clock speed of Radeon RX 640 is 1200 MHz higher, than Radeon Sky 500.
Game benchmarks
| high / 1080p | 5−6 | 35−40 |
| ultra / 1080p | 3−4 | 21−24 |
| QHD / 1440p | 2−3 | 16−18 |
| 4K / 2160p | − | 10−11 |
| low / 720p | 16−18 | 60−65 |
| medium / 1080p | 7−8 | 40−45 |
| The average gaming FPS of Radeon Sky 500 in Assassin's Creed Odyssey is 414% more, than Radeon RX 640. | ||
| high / 1080p | 10−12 | 55−60 |
| ultra / 1080p | 8−9 | 45−50 |
| QHD / 1440p | 0−1 | 35−40 |
| 4K / 2160p | − | 18−20 |
| low / 720p | 24−27 | 100−110 |
| medium / 1080p | 10−12 | 60−65 |
| The average gaming FPS of Radeon Sky 500 in Battlefield 5 is 385% more, than Radeon RX 640. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 40−45 | − |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon Sky 500 in Call of Duty: Warzone is 10% more, than Radeon RX 640. | ||
| low / 768p | 130−140 | 250−260 |
| medium / 768p | 100−110 | 220−230 |
| ultra / 1080p | 50−55 | 180−190 |
| QHD / 1440p | 27−30 | 110−120 |
| 4K / 2160p | 12−14 | 70−75 |
| high / 768p | 80−85 | 210−220 |
| The average gaming FPS of Radeon Sky 500 in Counter-Strike: Global Offensive is 156% more, than Radeon RX 640. | ||
| low / 768p | 50−55 | 60−65 |
| ultra / 1080p | 18−20 | − |
| medium / 1080p | 45−50 | 55−60 |
| The average gaming FPS of Radeon Sky 500 in Cyberpunk 2077 is 20% more, than Radeon RX 640. | ||
| low / 768p | 80−85 | 120−130 |
| medium / 768p | 55−60 | 110−120 |
| ultra / 1080p | 30−35 | 100−110 |
| The average gaming FPS of Radeon Sky 500 in Dota 2 is 101% more, than Radeon RX 640. | ||
| high / 1080p | 7−8 | 45−50 |
| ultra / 1080p | 5−6 | 40−45 |
| QHD / 1440p | − | 27−30 |
| 4K / 2160p | 5−6 | 14−16 |
| low / 720p | 18−20 | 80−85 |
| medium / 1080p | 8−9 | 45−50 |
| The average gaming FPS of Radeon Sky 500 in Far Cry 5 is 422% more, than Radeon RX 640. | ||
| high / 1080p | 7−8 | 60−65 |
| ultra / 1080p | 0−1 | 45−50 |
| QHD / 1440p | 0−1 | 27−30 |
| 4K / 2160p | − | 27−30 |
| low / 720p | 60−65 | 180−190 |
| medium / 1080p | 18−20 | 110−120 |
| The average gaming FPS of Radeon Sky 500 in Fortnite is 313% more, than Radeon RX 640. | ||
| high / 1080p | 10−11 | 60−65 |
| ultra / 1080p | − | 45−50 |
| QHD / 1440p | − | 30−35 |
| 4K / 2160p | 8−9 | 24−27 |
| low / 720p | 24−27 | 100−110 |
| medium / 1080p | 12−14 | 65−70 |
| The average gaming FPS of Radeon Sky 500 in Forza Horizon 4 is 364% more, than Radeon RX 640. | ||
| low / 768p | 50−55 | 140−150 |
| medium / 768p | − | 120−130 |
| high / 1080p | 10−12 | 70−75 |
| ultra / 1080p | 5−6 | 30−35 |
| QHD / 1440p | − | 21−24 |
| medium / 720p | 45−50 | − |
| The average gaming FPS of Radeon Sky 500 in Grand Theft Auto V is 260% more, than Radeon RX 640. | ||
| high / 1080p | 3−4 | 24−27 |
| ultra / 1080p | 1−2 | 20−22 |
| QHD / 1440p | − | 16−18 |
| 4K / 2160p | − | 8−9 |
| low / 720p | 10−11 | 65−70 |
| medium / 1080p | 5−6 | 30−35 |
| The average gaming FPS of Radeon Sky 500 in Metro Exodus is 620% more, than Radeon RX 640. | ||
| low / 768p | 90−95 | 130−140 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | − | 120−130 |
| The average gaming FPS of Radeon Sky 500 in Minecraft is 46% more, than Radeon RX 640. | ||
| high / 1080p | 6−7 | − |
| ultra / 1080p | 2−3 | 14−16 |
| 4K / 2160p | 0−1 | − |
| low / 720p | 27−30 | 100−110 |
| medium / 1080p | 10−11 | 18−20 |
| The average gaming FPS of Radeon Sky 500 in PLAYERUNKNOWN'S BATTLEGROUNDS is 253% more, than Radeon RX 640. | ||
| high / 1080p | − | 24−27 |
| ultra / 1080p | − | 16−18 |
| QHD / 1440p | − | 10−11 |
| 4K / 2160p | − | 7−8 |
| low / 720p | 10−12 | 65−70 |
| medium / 1080p | 9−10 | 35−40 |
| The average gaming FPS of Radeon Sky 500 in Red Dead Redemption 2 is 420% more, than Radeon RX 640. | ||
| low / 768p | 21−24 | 130−140 |
| medium / 768p | 14−16 | 85−90 |
| high / 1080p | 6−7 | 45−50 |
| ultra / 1080p | 4−5 | 24−27 |
| 4K / 2160p | 3−4 | 16−18 |
| The average gaming FPS of Radeon Sky 500 in The Witcher 3: Wild Hunt is 520% more, than Radeon RX 640. | ||
| low / 768p | 75−80 | 90−95 |
| medium / 768p | 40−45 | 60−65 |
| ultra / 1080p | 18−20 | 50−55 |
| high / 768p | 35−40 | 60−65 |
| The average gaming FPS of Radeon Sky 500 in World of Tanks is 52% more, than Radeon RX 640. | ||
Full Specs
| Radeon RX 640 | Radeon Sky 500 | |
| Architecture | Polaris | GCN 1.0 |
| Code name | Polaris 12 | Pitcairn |
| Type | Laptop | Desktop |
| Release date | 12 August 2019 | 27 March 2013 |
| Pipelines | 640 | 1280 |
| Core clock speed | 1218 MHz | 950 MHz |
| Boost Clock | 1218 MHz | |
| Transistor count | 2,200 million | 2,800 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Texture fill rate | 38.98 | 76.00 |
| Floating-point performance | 2,432 gflops | |
| Length | 242 mm | |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 6000 MHz | 4800 MHz |
| Memory bandwidth | 112.0 GB/s | 154 GB/s |
| Shared memory | - | |
| DirectX | 12 (12_0) | 12 (11_1) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2.131 | 1.2.131 |
| FreeSync | + | |
| Bus support | PCIe 3.0 | |
| Laptop size | large | |
| Form factor | full height / full length | |
| DisplayPort count | 1 | |
| Dual-link DVI support | + | |
| Check Price |