Mobility Radeon HD 4870 vs Radeon Sky 500
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon Sky 500, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 4870 stacks up against Radeon Sky 500, check out specs charts below.
Radeon Sky 500
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Mobility Radeon HD 4870 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 here:
Main Specs
Mobility Radeon HD 4870 | Radeon Sky 500 | |
Power consumption (TDP) | 150 Watt | |
Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Supplementary power connectors | 1x 6-pin | |
Memory type | GDDR5 | GDDR5 |
Maximum RAM amount | 1 GB | 4 GB |
Display Connectors | No outputs | 1x DisplayPort |
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- Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon Sky 500 uses PCIe 3.0 x16 interface.
- Radeon Sky 500 has 3 GB more memory, than Mobility Radeon HD 4870.
- Mobility Radeon HD 4870 is used in Laptops, and Radeon Sky 500 - in Desktops.
- Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon Sky 500 - with GCN 1.0.
- Core clock speed of Radeon Sky 500 is 400 MHz higher, than Mobility Radeon HD 4870.
- Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon Sky 500 - by 28 nm process technology.
- Memory clock speed of Radeon Sky 500 is 3912 MHz higher, than Mobility Radeon HD 4870.
Game benchmarks
high / 1080p | 7−8 | 35−40 |
ultra / 1080p | 4−5 | 21−24 |
QHD / 1440p | 0−1 | 16−18 |
4K / 2160p | − | 10−11 |
low / 720p | 16−18 | 60−65 |
medium / 1080p | 8−9 | 40−45 |
The average gaming FPS of Radeon Sky 500 in Assassin's Creed Odyssey is 355% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 12−14 | 55−60 |
ultra / 1080p | 10−11 | 45−50 |
QHD / 1440p | 0−1 | 35−40 |
4K / 2160p | − | 18−20 |
low / 720p | 24−27 | 100−110 |
medium / 1080p | 12−14 | 60−65 |
The average gaming FPS of Radeon Sky 500 in Battlefield 5 is 353% more, than Mobility Radeon HD 4870. | ||
low / 768p | 45−50 | 50−55 |
high / 1080p | 45−50 | − |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Radeon Sky 500 in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 4870. | ||
low / 768p | 140−150 | 250−260 |
medium / 768p | 110−120 | 220−230 |
ultra / 1080p | 55−60 | 180−190 |
QHD / 1440p | 30−33 | 110−120 |
4K / 2160p | 27−30 | 70−75 |
high / 768p | 80−85 | 210−220 |
The average gaming FPS of Radeon Sky 500 in Counter-Strike: Global Offensive is 132% more, than Mobility Radeon HD 4870. | ||
low / 768p | 55−60 | 60−65 |
ultra / 1080p | 20−22 | − |
medium / 1080p | 45−50 | 55−60 |
The average gaming FPS of Radeon Sky 500 in Cyberpunk 2077 is 15% more, than Mobility Radeon HD 4870. | ||
low / 768p | 80−85 | 120−130 |
medium / 768p | 60−65 | 110−120 |
ultra / 1080p | 35−40 | 100−110 |
The average gaming FPS of Radeon Sky 500 in Dota 2 is 91% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 8−9 | 45−50 |
ultra / 1080p | 8−9 | 40−45 |
QHD / 1440p | − | 27−30 |
4K / 2160p | 3−4 | 14−16 |
low / 720p | 18−20 | 80−85 |
medium / 1080p | 9−10 | 45−50 |
The average gaming FPS of Radeon Sky 500 in Far Cry 5 is 422% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 14−16 | 60−65 |
ultra / 1080p | 10−11 | 45−50 |
QHD / 1440p | − | 27−30 |
4K / 2160p | − | 27−30 |
low / 720p | 60−65 | 180−190 |
medium / 1080p | 24−27 | 110−120 |
The average gaming FPS of Radeon Sky 500 in Fortnite is 264% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 12−14 | 60−65 |
ultra / 1080p | 10−12 | 45−50 |
QHD / 1440p | 1−2 | 30−35 |
4K / 2160p | − | 24−27 |
low / 720p | 27−30 | 100−110 |
medium / 1080p | 14−16 | 65−70 |
The average gaming FPS of Radeon Sky 500 in Forza Horizon 4 is 384% more, than Mobility Radeon HD 4870. | ||
low / 768p | 50−55 | 140−150 |
medium / 768p | 45−50 | 120−130 |
high / 1080p | 12−14 | 70−75 |
ultra / 1080p | 6−7 | 30−35 |
QHD / 1440p | 0−1 | 21−24 |
The average gaming FPS of Radeon Sky 500 in Grand Theft Auto V is 220% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 5−6 | 24−27 |
ultra / 1080p | 3−4 | 20−22 |
QHD / 1440p | − | 16−18 |
4K / 2160p | 0−1 | 8−9 |
low / 720p | 12−14 | 65−70 |
medium / 1080p | 6−7 | 30−35 |
The average gaming FPS of Radeon Sky 500 in Metro Exodus is 414% more, than Mobility Radeon HD 4870. | ||
low / 768p | 95−100 | 130−140 |
high / 1080p | 90−95 | − |
ultra / 1080p | 80−85 | − |
medium / 1080p | 90−95 | 120−130 |
The average gaming FPS of Radeon Sky 500 in Minecraft is 36% more, than Mobility Radeon HD 4870. | ||
high / 1080p | 16−18 | − |
ultra / 1080p | 14−16 | 14−16 |
low / 720p | 30−35 | 100−110 |
medium / 1080p | 18−20 | 18−20 |
The average gaming FPS of Radeon Sky 500 in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Mobility Radeon HD 4870. | ||
high / 1080p | − | 24−27 |
ultra / 1080p | 7−8 | 16−18 |
QHD / 1440p | 0−1 | 10−11 |
4K / 2160p | − | 7−8 |
low / 720p | 12−14 | 65−70 |
medium / 1080p | 10−12 | 35−40 |
The average gaming FPS of Radeon Sky 500 in Red Dead Redemption 2 is 300% more, than Mobility Radeon HD 4870. | ||
low / 768p | 24−27 | 130−140 |
medium / 768p | 16−18 | 85−90 |
high / 1080p | 9−10 | 45−50 |
ultra / 1080p | 6−7 | 24−27 |
4K / 2160p | 6−7 | 16−18 |
The average gaming FPS of Radeon Sky 500 in The Witcher 3: Wild Hunt is 376% more, than Mobility Radeon HD 4870. | ||
low / 768p | 85−90 | 90−95 |
medium / 768p | 45−50 | 60−65 |
ultra / 1080p | 20−22 | 50−55 |
high / 768p | 35−40 | 60−65 |
The average gaming FPS of Radeon Sky 500 in World of Tanks is 39% more, than Mobility Radeon HD 4870. |
Full Specs
Mobility Radeon HD 4870 | Radeon Sky 500 | |
Architecture | Terascale 1 | GCN 1.0 |
Code name | M98-XT | Pitcairn |
Type | Laptop | Desktop |
Release date | 9 January 2009 | 27 March 2013 |
Pipelines | 800 | 1280 |
Core clock speed | 550 MHz | 950 MHz |
Transistor count | 956 million | 2,800 million |
Manufacturing process technology | 55 nm | 28 nm |
Texture fill rate | 22.00 | 76.00 |
Floating-point performance | 880.0 gflops | 2,432 gflops |
Length | 242 mm | |
Memory bus width | 256 Bit | 256 Bit |
Memory clock speed | 888 MHz | 4800 MHz |
Memory bandwidth | 56.83 GB/s | 154 GB/s |
Shared memory | - | |
DirectX | 10.1 (10_1) | 12 (11_1) |
Shader Model | 4.1 | 5.1 |
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 1.2 |
Vulkan | N/A | 1.2.131 |
Bus support | PCIe 3.0 | |
Laptop size | large | |
Form factor | full height / full length | |
DisplayPort count | 1 | |
Dual-link DVI support | + | |
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