Mobility Radeon HD 4830 vs Radeon HD 6850 X2
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4830 and Radeon HD 6850 X2, 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 4830 stacks up against Radeon HD 6850 X2, check out specs charts below.
Radeon HD 6850 X2
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Mobility Radeon HD 4830 is a Laptop Graphics Card
Note: Mobility Radeon HD 4830 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 4830 here:
Main Specs
Mobility Radeon HD 4830 | Radeon HD 6850 X2 | |
Power consumption (TDP) | 254 Watt | |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Supplementary power connectors | 2x 8-pin | |
Memory type | GDDR3, DDR3 | GDDR5 |
Maximum RAM amount | 1 GB | 2 GB |
Display Connectors | No outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
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- Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
- Radeon HD 6850 X2 has 1 GB more memory, than Mobility Radeon HD 4830.
- Mobility Radeon HD 4830 is used in Laptops, and Radeon HD 6850 X2 - in Desktops.
- Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon HD 6850 X2 - with TeraScale 2.
- Core clock speed of Radeon HD 6850 X2 is 250 MHz higher, than Mobility Radeon HD 4830.
- Mobility Radeon HD 4830 and Radeon HD 6850 X2 are manufactured by 40 nm process technology.
- Memory clock speed of Radeon HD 6850 X2 is 3500 MHz higher, than Mobility Radeon HD 4830.
Game benchmarks
high / 1080p | 0−1 | 12−14 |
ultra / 1080p | 0−1 | 7−8 |
QHD / 1440p | 0−1 | 2−3 |
low / 720p | 10−11 | 27−30 |
medium / 1080p | 1−2 | 16−18 |
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 266% more, than Mobility Radeon HD 4830. | ||
high / 1080p | − | 21−24 |
ultra / 1080p | 2−3 | 18−20 |
QHD / 1440p | 0−1 | 4−5 |
low / 720p | 10−11 | 45−50 |
medium / 1080p | 3−4 | 21−24 |
The average gaming FPS of Radeon HD 6850 X2 in Battlefield 5 is 480% more, than Mobility Radeon HD 4830. | ||
low / 768p | 50−55 | 45−50 |
high / 1080p | 45−50 | − |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Mobility Radeon HD 4830 in Call of Duty: Warzone is 10% more, than Radeon HD 6850 X2. | ||
low / 768p | 110−120 | 190−200 |
medium / 768p | 80−85 | 160−170 |
ultra / 1080p | 30−35 | 85−90 |
QHD / 1440p | − | 45−50 |
4K / 2160p | 9−10 | 30−33 |
high / 768p | 55−60 | 120−130 |
The average gaming FPS of Radeon HD 6850 X2 in Counter-Strike: Global Offensive is 103% more, than Mobility Radeon HD 4830. | ||
low / 768p | 70−75 | 55−60 |
ultra / 1080p | 12−14 | 35−40 |
medium / 1080p | 45−50 | 45−50 |
The average gaming FPS of Radeon HD 6850 X2 in Cyberpunk 2077 is 6% more, than Mobility Radeon HD 4830. | ||
low / 768p | 70−75 | 100−110 |
medium / 768p | 40−45 | 85−90 |
ultra / 1080p | 16−18 | 55−60 |
The average gaming FPS of Radeon HD 6850 X2 in Dota 2 is 88% more, than Mobility Radeon HD 4830. | ||
high / 1080p | 1−2 | 14−16 |
ultra / 1080p | − | 14−16 |
4K / 2160p | 0−1 | 5−6 |
low / 720p | 8−9 | 30−35 |
medium / 1080p | 2−3 | 16−18 |
The average gaming FPS of Radeon HD 6850 X2 in Far Cry 5 is 425% more, than Mobility Radeon HD 4830. | ||
high / 1080p | − | 21−24 |
ultra / 1080p | 4−5 | 16−18 |
QHD / 1440p | 1−2 | 16−18 |
low / 720p | 45−50 | 85−90 |
medium / 1080p | 5−6 | 45−50 |
The average gaming FPS of Radeon HD 6850 X2 in Fortnite is 200% more, than Mobility Radeon HD 4830. | ||
high / 1080p | 2−3 | 21−24 |
ultra / 1080p | − | 16−18 |
QHD / 1440p | 0−1 | 7−8 |
low / 720p | 12−14 | 45−50 |
medium / 1080p | 4−5 | 24−27 |
The average gaming FPS of Radeon HD 6850 X2 in Forza Horizon 4 is 416% more, than Mobility Radeon HD 4830. | ||
low / 768p | 40−45 | 75−80 |
medium / 768p | − | 65−70 |
high / 1080p | 2−3 | 24−27 |
ultra / 1080p | − | 10−11 |
QHD / 1440p | 0−1 | 1−2 |
medium / 720p | 30−35 | − |
The average gaming FPS of Radeon HD 6850 X2 in Grand Theft Auto V is 131% more, than Mobility Radeon HD 4830. | ||
high / 1080p | 0−1 | 8−9 |
ultra / 1080p | 0−1 | 6−7 |
4K / 2160p | 0−1 | 2−3 |
low / 720p | 1−2 | 24−27 |
medium / 1080p | − | 10−12 |
The average gaming FPS of Radeon HD 6850 X2 in Metro Exodus is 2400% more, than Mobility Radeon HD 4830. | ||
low / 768p | 85−90 | 100−110 |
high / 1080p | 55−60 | − |
ultra / 1080p | − | 95−100 |
medium / 1080p | − | 100−110 |
The average gaming FPS of Radeon HD 6850 X2 in Minecraft is 20% more, than Mobility Radeon HD 4830. | ||
high / 1080p | 14−16 | 21−24 |
ultra / 1080p | 12−14 | 16−18 |
low / 720p | 21−24 | 50−55 |
medium / 1080p | 14−16 | 21−24 |
The average gaming FPS of Radeon HD 6850 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 75% more, than Mobility Radeon HD 4830. | ||
high / 1080p | − | 12−14 |
ultra / 1080p | − | 9−10 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 3−4 | 24−27 |
medium / 1080p | − | 14−16 |
The average gaming FPS of Radeon HD 6850 X2 in Red Dead Redemption 2 is 733% more, than Mobility Radeon HD 4830. | ||
low / 768p | 5−6 | 45−50 |
medium / 768p | 5−6 | 27−30 |
high / 1080p | 2−3 | 16−18 |
ultra / 1080p | − | 9−10 |
4K / 2160p | 0−1 | 7−8 |
The average gaming FPS of Radeon HD 6850 X2 in The Witcher 3: Wild Hunt is 675% more, than Mobility Radeon HD 4830. | ||
low / 768p | 70−75 | 95−100 |
medium / 768p | 35−40 | 55−60 |
ultra / 1080p | 10−12 | 30−35 |
high / 768p | 27−30 | 50−55 |
The average gaming FPS of Radeon HD 6850 X2 in World of Tanks is 62% more, than Mobility Radeon HD 4830. |
Full Specs
Mobility Radeon HD 4830 | Radeon HD 6850 X2 | |
Architecture | Terascale 1 | TeraScale 2 |
Code name | M97 | Barts |
Type | Laptop | Desktop |
Release date | 3 March 2009 | 19 September 2011 |
Pipelines | 640 | 960 |
Core clock speed | 550 MHz | 800 MHz |
Transistor count | 826 million | 1,700 million |
Manufacturing process technology | 40 nm | 40 nm |
Texture fill rate | 17.60 | 38.40 |
Floating-point performance | 704.0 gflops | 2x 1,536.0 gflops |
Memory bus width | 128 Bit | 256 Bit |
Memory clock speed | 700 MHz | 4200 MHz |
Memory bandwidth | 44.8 GB/s | 134.4 GB/s |
Shared memory | - | |
DirectX | 10.1 (10_1) | 11.2 (11_0) |
Shader Model | 4.1 | 5.0 |
OpenGL | 3.3 | 4.4 |
OpenCL | 1.1 | 1.2 |
Vulkan | N/A | N/A |
Laptop size | large | |
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