Radeon HD 6850 X2 vs Radeon R9 M390X
If you are going to buy a new graphics card and are choosing between Radeon HD 6850 X2 and Radeon R9 M390X, 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 Radeon HD 6850 X2 stacks up against Radeon R9 M390X, check out specs charts below.
Radeon HD 6850 X2
Radeon R9 M390X is a Laptop Graphics Card
Note: Radeon R9 M390X 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 R9 M390X here:
Main Specs
Radeon HD 6850 X2 | Radeon R9 M390X | |
Power consumption (TDP) | 254 Watt | 100 Watt |
Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Supplementary power connectors | 2x 8-pin | None |
Memory type | GDDR5 | GDDR5 |
Maximum RAM amount | 2 GB | 4 GB |
Display Connectors | 2x DVI, 1x HDMI, 1x DisplayPort | No outputs |
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- Radeon HD 6850 X2 has 154% more power consumption, than Radeon R9 M390X.
- Radeon HD 6850 X2 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
- Radeon R9 M390X has 2 GB more memory, than Radeon HD 6850 X2.
- Radeon HD 6850 X2 is used in Desktops, and Radeon R9 M390X - in Laptops.
- Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon R9 M390X - with GCN 3.
- Core clock speed of Radeon HD 6850 X2 is 77 MHz higher, than Radeon R9 M390X.
- Radeon HD 6850 X2 is manufactured by 40 nm process technology, and Radeon R9 M390X - by 28 nm process technology.
Game benchmarks
high / 1080p | 12−14 | 21−24 |
ultra / 1080p | 7−8 | 12−14 |
QHD / 1440p | 2−3 | 8−9 |
4K / 2160p | − | 5−6 |
low / 720p | 27−30 | 40−45 |
medium / 1080p | 16−18 | 27−30 |
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 76% more, than Radeon HD 6850 X2. | ||
high / 1080p | 21−24 | 35−40 |
ultra / 1080p | 18−20 | 30−35 |
QHD / 1440p | 4−5 | 14−16 |
4K / 2160p | − | 9−10 |
low / 720p | 45−50 | 70−75 |
medium / 1080p | 21−24 | 40−45 |
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 73% more, than Radeon HD 6850 X2. | ||
low / 768p | 45−50 | 50−55 |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Radeon HD 6850 X2. | ||
low / 768p | 190−200 | 230−240 |
medium / 768p | 160−170 | 210−220 |
ultra / 1080p | 85−90 | 120−130 |
QHD / 1440p | 45−50 | 100−110 |
4K / 2160p | 30−33 | 55−60 |
high / 768p | 120−130 | 170−180 |
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 40% more, than Radeon HD 6850 X2. | ||
low / 768p | 55−60 | 60−65 |
ultra / 1080p | 35−40 | 55−60 |
medium / 1080p | 45−50 | 55−60 |
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 25% more, than Radeon HD 6850 X2. | ||
low / 768p | 100−110 | 120−130 |
medium / 768p | 85−90 | 110−120 |
ultra / 1080p | 55−60 | 85−90 |
The average gaming FPS of Radeon R9 M390X in Dota 2 is 31% more, than Radeon HD 6850 X2. | ||
high / 1080p | 14−16 | 27−30 |
ultra / 1080p | 14−16 | 24−27 |
QHD / 1440p | − | 20−22 |
4K / 2160p | 5−6 | 9−10 |
low / 720p | 30−35 | 55−60 |
medium / 1080p | 16−18 | 30−33 |
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 76% more, than Radeon HD 6850 X2. | ||
high / 1080p | 21−24 | 35−40 |
ultra / 1080p | 16−18 | 27−30 |
QHD / 1440p | 16−18 | 16−18 |
low / 720p | 85−90 | 130−140 |
medium / 1080p | 45−50 | 75−80 |
The average gaming FPS of Radeon R9 M390X in Fortnite is 55% more, than Radeon HD 6850 X2. | ||
high / 1080p | 21−24 | 35−40 |
ultra / 1080p | 16−18 | 27−30 |
QHD / 1440p | 7−8 | 16−18 |
4K / 2160p | − | 14−16 |
low / 720p | 45−50 | 75−80 |
medium / 1080p | 24−27 | 40−45 |
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 66% more, than Radeon HD 6850 X2. | ||
low / 768p | 75−80 | 110−120 |
medium / 768p | 65−70 | 95−100 |
high / 1080p | 24−27 | 45−50 |
ultra / 1080p | 10−11 | 18−20 |
QHD / 1440p | 1−2 | 9−10 |
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 58% more, than Radeon HD 6850 X2. | ||
high / 1080p | 8−9 | 14−16 |
ultra / 1080p | 6−7 | 10−12 |
QHD / 1440p | − | 10−12 |
4K / 2160p | 2−3 | 3−4 |
low / 720p | 24−27 | 40−45 |
medium / 1080p | 10−12 | 20−22 |
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 80% more, than Radeon HD 6850 X2. | ||
low / 768p | 100−110 | 120−130 |
ultra / 1080p | 95−100 | − |
medium / 1080p | 100−110 | 110−120 |
The average gaming FPS of Radeon R9 M390X in Minecraft is 14% more, than Radeon HD 6850 X2. | ||
high / 1080p | 21−24 | − |
ultra / 1080p | 16−18 | 14−16 |
low / 720p | 50−55 | 75−80 |
medium / 1080p | 21−24 | 18−20 |
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 23% more, than Radeon HD 6850 X2. | ||
high / 1080p | 12−14 | 16−18 |
ultra / 1080p | 9−10 | 10−12 |
QHD / 1440p | 0−1 | 3−4 |
4K / 2160p | − | 2−3 |
low / 720p | 24−27 | 40−45 |
medium / 1080p | 14−16 | 21−24 |
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 53% more, than Radeon HD 6850 X2. | ||
low / 768p | 45−50 | 80−85 |
medium / 768p | 27−30 | 50−55 |
high / 1080p | 16−18 | 27−30 |
ultra / 1080p | 9−10 | 16−18 |
4K / 2160p | 7−8 | 9−10 |
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 72% more, than Radeon HD 6850 X2. | ||
low / 768p | 95−100 | 90−95 |
medium / 768p | 55−60 | 60−65 |
ultra / 1080p | 30−35 | 40−45 |
high / 768p | 50−55 | 55−60 |
The average gaming FPS of Radeon R9 M390X in World of Tanks is 5% more, than Radeon HD 6850 X2. |
Full Specs
Radeon HD 6850 X2 | Radeon R9 M390X | |
Architecture | TeraScale 2 | GCN 3 |
Code name | Barts | Amethyst (XT) / Tonga |
Type | Desktop | Laptop |
Release date | 19 September 2011 | 9 June 2015 |
Pipelines | 960 | 2048 |
Core clock speed | 800 MHz | 723 MHz |
Transistor count | 1,700 million | 5,000 million |
Manufacturing process technology | 40 nm | 28 nm |
Texture fill rate | 38.40 | 92.54 |
Floating-point performance | 2x 1,536.0 gflops | 2,961 gflops |
Memory bus width | 256 Bit | 256 Bit |
Memory clock speed | 4200 MHz | |
Memory bandwidth | 134.4 GB/s | 160.0 GB/s |
Shared memory | - | |
DirectX | 11.2 (11_0) | |
Shader Model | 5.0 | 6.3 |
OpenGL | 4.4 | 4.4 |
OpenCL | 1.2 | Not Listed |
Vulkan | N/A | + |
FreeSync | + | |
Bus support | PCIe 3.0 | |
Laptop size | large | |
Eyefinity | + | |
HD3D | + | |
PowerTune | + | |
DualGraphics | + | |
ZeroCore | + | |
Switchable graphics | + | |
Mantle | + | |
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