Radeon HD 4870 X2 vs Radeon HD 6990M Crossfire
If you are going to buy a new graphics card and are choosing between Radeon HD 4870 X2 and Radeon HD 6990M Crossfire, 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 4870 X2 stacks up against Radeon HD 6990M Crossfire, check out specs charts below.
Radeon HD 4870 X2
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Radeon HD 6990M Crossfire is a Laptop Graphics Card
Note: Radeon HD 6990M Crossfire 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 HD 6990M Crossfire here:
Main Specs
Radeon HD 4870 X2 | Radeon HD 6990M Crossfire | |
Power consumption (TDP) | 286 Watt | |
Interface | PCIe 2.0 x16 | |
Supplementary power connectors | 1x 6-pin + 1x 8-pin | |
Memory type | GDDR5 | GDDR5 |
Maximum RAM amount | 1 GB | 2x2 GB |
Display Connectors | 2x DVI, 1x S-Video | |
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- Radeon HD 6990M Crossfire has 1 GB more memory, than Radeon HD 4870 X2.
- Radeon HD 4870 X2 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
- Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
- Core clock speed of Radeon HD 6990M Crossfire is 15 MHz higher, than Radeon HD 4870 X2.
- Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
- Memory clock speed of Radeon HD 4870 X2 is 2700 MHz higher, than Radeon HD 6990M Crossfire.
Game benchmarks
high / 1080p | 3−4 | 35−40 |
ultra / 1080p | 1−2 | 21−24 |
QHD / 1440p | 0−1 | 16−18 |
4K / 2160p | − | 10−11 |
low / 720p | 14−16 | 60−65 |
medium / 1080p | 6−7 | 40−45 |
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Radeon HD 4870 X2. | ||
high / 1080p | 8−9 | 55−60 |
ultra / 1080p | 6−7 | 45−50 |
QHD / 1440p | 0−1 | 35−40 |
4K / 2160p | − | 18−20 |
low / 720p | 21−24 | 100−110 |
medium / 1080p | 9−10 | 60−65 |
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 518% more, than Radeon HD 4870 X2. | ||
low / 768p | 45−50 | 50−55 |
high / 1080p | 40−45 | − |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon HD 4870 X2. | ||
low / 768p | 130−140 | 250−260 |
medium / 768p | 100−110 | 220−230 |
ultra / 1080p | 50−55 | 180−190 |
QHD / 1440p | 24−27 | 110−120 |
4K / 2160p | − | 70−75 |
high / 768p | 75−80 | 210−220 |
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 151% more, than Radeon HD 4870 X2. | ||
low / 768p | 70−75 | 60−65 |
ultra / 1080p | 21−24 | − |
medium / 1080p | 40−45 | 55−60 |
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 5% more, than Radeon HD 4870 X2. | ||
low / 768p | 75−80 | 120−130 |
medium / 768p | 55−60 | 110−120 |
ultra / 1080p | 30−35 | 100−110 |
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 109% more, than Radeon HD 4870 X2. | ||
high / 1080p | 4−5 | 45−50 |
ultra / 1080p | 4−5 | 40−45 |
QHD / 1440p | − | 27−30 |
4K / 2160p | 1−2 | 14−16 |
low / 720p | 14−16 | 80−85 |
medium / 1080p | 6−7 | 45−50 |
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 683% more, than Radeon HD 4870 X2. | ||
high / 1080p | 12−14 | 60−65 |
ultra / 1080p | 7−8 | 45−50 |
QHD / 1440p | 4−5 | 27−30 |
4K / 2160p | − | 27−30 |
low / 720p | 60−65 | 180−190 |
medium / 1080p | 18−20 | 110−120 |
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 314% more, than Radeon HD 4870 X2. | ||
high / 1080p | 8−9 | 60−65 |
ultra / 1080p | 7−8 | 45−50 |
QHD / 1440p | 0−1 | 30−35 |
4K / 2160p | − | 24−27 |
low / 720p | 21−24 | 100−110 |
medium / 1080p | 10−11 | 65−70 |
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 483% more, than Radeon HD 4870 X2. | ||
low / 768p | 50−55 | 140−150 |
medium / 768p | − | 120−130 |
high / 1080p | 10−11 | 70−75 |
ultra / 1080p | 4−5 | 30−35 |
QHD / 1440p | 0−1 | 21−24 |
medium / 720p | 40−45 | − |
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 277% more, than Radeon HD 4870 X2. | ||
high / 1080p | 2−3 | 24−27 |
ultra / 1080p | 0−1 | 20−22 |
QHD / 1440p | − | 16−18 |
4K / 2160p | 0−1 | 8−9 |
low / 720p | 9−10 | 65−70 |
medium / 1080p | 4−5 | 30−35 |
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 720% more, than Radeon HD 4870 X2. | ||
low / 768p | 85−90 | 130−140 |
high / 1080p | 70−75 | − |
medium / 1080p | − | 120−130 |
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 55% more, than Radeon HD 4870 X2. | ||
ultra / 1080p | 12−14 | 14−16 |
low / 720p | 30−35 | 100−110 |
medium / 1080p | 14−16 | 18−20 |
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 4870 X2. | ||
high / 1080p | 7−8 | 24−27 |
ultra / 1080p | 4−5 | 16−18 |
QHD / 1440p | 0−1 | 10−11 |
4K / 2160p | − | 7−8 |
low / 720p | 8−9 | 65−70 |
medium / 1080p | 8−9 | 35−40 |
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 414% more, than Radeon HD 4870 X2. | ||
low / 768p | 20−22 | 130−140 |
medium / 768p | 12−14 | 85−90 |
high / 1080p | 7−8 | 45−50 |
ultra / 1080p | 5−6 | 24−27 |
4K / 2160p | 1−2 | 16−18 |
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 4870 X2. | ||
low / 768p | 75−80 | 90−95 |
medium / 768p | 40−45 | 60−65 |
ultra / 1080p | 18−20 | 50−55 |
high / 768p | 30−35 | 60−65 |
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 59% more, than Radeon HD 4870 X2. |
Full Specs
Radeon HD 4870 X2 | Radeon HD 6990M Crossfire | |
Architecture | TeraScale | Terascale 2 |
Code name | R700 | Blackcomb XTX |
Type | Desktop | Laptop |
Release date | 12 August 2008 | 12 July 2011 |
Pipelines | 800 | 2240 |
Core clock speed | 700 MHz | 715 MHz |
Transistor count | 956 million | 2x1700 Million |
Manufacturing process technology | 55 nm | 40 nm |
Texture fill rate | 28.00 | |
Floating-point performance | 2x 1,120.0 gflops | |
Length | 267 mm | |
Memory bus width | 256 Bit | 256 Bit |
Memory clock speed | 3600 MHz | 900 MHz |
Memory bandwidth | 115.2 GB/s | |
Shared memory | - | |
DirectX | 10.1 (10_1) | DirectX 11, Shader 5.0 |
Shader Model | 4.1 | |
OpenGL | 3.3 | |
OpenCL | 1.1 | |
Vulkan | N/A | |
Laptop size | large | |
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