Radeon HD 4870 X2 vs Radeon RX 640
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4870 X2 and Radeon RX 640. 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 HD 4870 X2 and Radeon RX 640. 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 HD 4870 X2
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 HD 4870 X2 | Radeon RX 640 | |
| Power consumption (TDP) | 286 Watt | 50 Watt |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | None |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 4 GB |
| Display Connectors | 2x DVI, 1x S-Video | 1x DVI, 1x HDMI, 1x DisplayPort |
| Check Price |
- Radeon HD 4870 X2 has 472% more power consumption, than Radeon RX 640.
- Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
- Radeon RX 640 has 3 GB more memory, than Radeon HD 4870 X2.
- Radeon HD 4870 X2 is used in Desktops, and Radeon RX 640 - in Laptops.
- Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon RX 640 - with Polaris.
- Core clock speed of Radeon RX 640 is 518 MHz higher, than Radeon HD 4870 X2.
- Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon RX 640 - by 14 nm process technology.
- Memory clock speed of Radeon RX 640 is 2400 MHz higher, than Radeon HD 4870 X2.
Game benchmarks
| high / 1080p | 3−4 | 5−6 |
| ultra / 1080p | 1−2 | 3−4 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 14−16 | 16−18 |
| medium / 1080p | 6−7 | 7−8 |
| The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 33% more, than Radeon HD 4870 X2. | ||
| high / 1080p | 8−9 | 10−12 |
| ultra / 1080p | 6−7 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 21−24 | 24−27 |
| medium / 1080p | 9−10 | 10−12 |
| The average gaming FPS of Radeon RX 640 in Battlefield 5 is 27% more, than Radeon HD 4870 X2. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| Radeon HD 4870 X2 and Radeon RX 640 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 130−140 | 130−140 |
| medium / 768p | 100−110 | 100−110 |
| ultra / 1080p | 50−55 | 50−55 |
| QHD / 1440p | 24−27 | 27−30 |
| 4K / 2160p | − | 12−14 |
| high / 768p | 75−80 | 80−85 |
| The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 1% more, than Radeon HD 4870 X2. | ||
| low / 768p | 70−75 | 50−55 |
| ultra / 1080p | 21−24 | 18−20 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Radeon HD 4870 X2 in Cyberpunk 2077 is 15% more, than Radeon RX 640. | ||
| low / 768p | 75−80 | 80−85 |
| medium / 768p | 55−60 | 55−60 |
| ultra / 1080p | 30−35 | 30−35 |
| The average gaming FPS of Radeon RX 640 in Dota 2 is 3% more, than Radeon HD 4870 X2. | ||
| high / 1080p | 4−5 | 7−8 |
| ultra / 1080p | 4−5 | 5−6 |
| 4K / 2160p | 1−2 | 5−6 |
| low / 720p | 14−16 | 18−20 |
| medium / 1080p | 6−7 | 8−9 |
| The average gaming FPS of Radeon RX 640 in Far Cry 5 is 50% more, than Radeon HD 4870 X2. | ||
| high / 1080p | 12−14 | 7−8 |
| ultra / 1080p | 7−8 | 0−1 |
| QHD / 1440p | 4−5 | 0−1 |
| low / 720p | 60−65 | 60−65 |
| medium / 1080p | 18−20 | 18−20 |
| The average gaming FPS of Radeon HD 4870 X2 in Fortnite is 6% more, than Radeon RX 640. | ||
| high / 1080p | 8−9 | 10−11 |
| ultra / 1080p | 7−8 | − |
| QHD / 1440p | 0−1 | − |
| 4K / 2160p | − | 8−9 |
| low / 720p | 21−24 | 24−27 |
| medium / 1080p | 10−11 | 12−14 |
| The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 23% more, than Radeon HD 4870 X2. | ||
| low / 768p | 50−55 | 50−55 |
| high / 1080p | 10−11 | 10−12 |
| ultra / 1080p | 4−5 | 5−6 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | 40−45 | 45−50 |
| The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 7% more, than Radeon HD 4870 X2. | ||
| high / 1080p | 2−3 | 3−4 |
| ultra / 1080p | 0−1 | 1−2 |
| 4K / 2160p | 0−1 | − |
| low / 720p | 9−10 | 10−11 |
| medium / 1080p | 4−5 | 5−6 |
| The average gaming FPS of Radeon RX 640 in Metro Exodus is 20% more, than Radeon HD 4870 X2. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 70−75 | − |
| ultra / 1080p | − | 80−85 |
| The average gaming FPS of Radeon RX 640 in Minecraft is 5% more, than Radeon HD 4870 X2. | ||
| high / 1080p | − | 6−7 |
| ultra / 1080p | 12−14 | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 30−35 | 27−30 |
| medium / 1080p | 14−16 | 10−11 |
| The average gaming FPS of Radeon HD 4870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 53% more, than Radeon RX 640. | ||
| high / 1080p | 7−8 | − |
| ultra / 1080p | 4−5 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 8−9 | 10−12 |
| medium / 1080p | 8−9 | 9−10 |
| The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 25% more, than Radeon HD 4870 X2. | ||
| low / 768p | 20−22 | 21−24 |
| medium / 768p | 12−14 | 14−16 |
| high / 1080p | 7−8 | 6−7 |
| ultra / 1080p | 5−6 | 4−5 |
| 4K / 2160p | 1−2 | 3−4 |
| The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 11% more, than Radeon HD 4870 X2. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 40−45 | 40−45 |
| ultra / 1080p | 18−20 | 18−20 |
| high / 768p | 30−35 | 35−40 |
| The average gaming FPS of Radeon RX 640 in World of Tanks is 4% more, than Radeon HD 4870 X2. | ||
Full Specs
| Radeon HD 4870 X2 | Radeon RX 640 | |
| Architecture | TeraScale | Polaris |
| Code name | R700 | Polaris 12 |
| Type | Desktop | Laptop |
| Release date | 12 August 2008 | 12 August 2019 |
| Pipelines | 800 | 640 |
| Core clock speed | 700 MHz | 1218 MHz |
| Boost Clock | 1218 MHz | |
| Transistor count | 956 million | 2,200 million |
| Manufacturing process technology | 55 nm | 14 nm |
| Texture fill rate | 28.00 | 38.98 |
| Floating-point performance | 2x 1,120.0 gflops | |
| Length | 267 mm | |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 3600 MHz | 6000 MHz |
| Memory bandwidth | 115.2 GB/s | 112.0 GB/s |
| Shared memory | - | |
| DirectX | 10.1 (10_1) | 12 (12_0) |
| Shader Model | 4.1 | 6.4 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 2.0 |
| Vulkan | N/A | 1.2.131 |
| FreeSync | + | |
| Laptop size | large | |
| Check Price |