ATI Radeon HD 4870 X2 vs ATI Mobility HD 3870 X2
Aggregate performance score
We've compared Mobility Radeon HD 3870 X2 with Radeon HD 4870 X2, including specs and performance data.
HD 4870 X2 outperforms Mobility HD 3870 X2 by a considerable 49% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 925 | 803 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.13 |
| Power efficiency | 1.47 | 0.84 |
| Architecture | TeraScale (2005−2013) | TeraScale (2005−2013) |
| GPU code name | M88 | R700 |
| Market segment | Laptop | Desktop |
| Release date | 1 September 2008 (17 years ago) | 12 August 2008 (17 years ago) |
| Launch price (MSRP) | no data | $550 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 320 ×2 | 800 ×2 |
| Core clock speed | 660 MHz | 700 MHz |
| Number of transistors | 666 million | 956 million |
| Manufacturing process technology | 55 nm | 55 nm |
| Power consumption (TDP) | 110 Watt | 286 Watt |
| Texture fill rate | 10.56 ×2 | 28.00 ×2 |
| Floating-point processing power | 0.4224 TFLOPS ×2 | 1.12 TFLOPS ×2 |
| ROPs | 16 ×2 | 16 ×2 |
| TMUs | 16 ×2 | 40 ×2 |
| L1 Cache | no data | 160 KB |
| L2 Cache | 256 KB | 256 KB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Laptop size | large | no data |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-pin + 1x 8-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR3 | GDDR5 |
| Maximum RAM amount | 512 MB ×2 | 1 GB ×2 |
| Memory bus width | 256 Bit ×2 | 256 Bit ×2 |
| Memory clock speed | 850 MHz | 900 MHz |
| Memory bandwidth | 54.4 GB/s ×2 | 115.2 GB/s ×2 |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | 2x DVI, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
| Shader Model | 4.1 | 4.1 |
| OpenGL | 3.3 | 3.3 |
| OpenCL | N/A | 1.1 |
| Vulkan | N/A | N/A |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 4−5
−25%
|
5−6
+25%
|
| Cyberpunk 2077 | 4−5
−25%
|
5−6
+25%
|
| Resident Evil 4 Remake | 2−3
+0%
|
2−3
+0%
|
Full HD
Medium
| Battlefield 5 | 6−7
−33.3%
|
8−9
+33.3%
|
| Counter-Strike 2 | 4−5
−25%
|
5−6
+25%
|
| Cyberpunk 2077 | 4−5
−25%
|
5−6
+25%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Fortnite | 10−11
−40%
|
14−16
+40%
|
| Forza Horizon 4 | 10−12
−45.5%
|
16−18
+45.5%
|
| Forza Horizon 5 | 4−5
−25%
|
5−6
+25%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−45.5%
|
16−18
+45.5%
|
| Valorant | 40−45
−37.5%
|
55−60
+37.5%
|
Full HD
High
| Battlefield 5 | 6−7
−33.3%
|
8−9
+33.3%
|
| Counter-Strike 2 | 4−5
−25%
|
5−6
+25%
|
| Counter-Strike: Global Offensive | 40−45
−39.5%
|
60−65
+39.5%
|
| Cyberpunk 2077 | 4−5
−25%
|
5−6
+25%
|
| Dota 2 | 21−24
−30.4%
|
30−33
+30.4%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Fortnite | 10−11
−40%
|
14−16
+40%
|
| Forza Horizon 4 | 10−12
−45.5%
|
16−18
+45.5%
|
| Forza Horizon 5 | 4−5
−25%
|
5−6
+25%
|
| Grand Theft Auto V | 4−5
−25%
|
5−6
+25%
|
| Metro Exodus | 3−4
−33.3%
|
4−5
+33.3%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−45.5%
|
16−18
+45.5%
|
| The Witcher 3: Wild Hunt | 8−9
−25%
|
10−11
+25%
|
| Valorant | 40−45
−37.5%
|
55−60
+37.5%
|
Full HD
Ultra
| Battlefield 5 | 6−7
−33.3%
|
8−9
+33.3%
|
| Cyberpunk 2077 | 4−5
−25%
|
5−6
+25%
|
| Dota 2 | 21−24
−30.4%
|
30−33
+30.4%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Forza Horizon 4 | 10−12
−45.5%
|
16−18
+45.5%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−45.5%
|
16−18
+45.5%
|
| The Witcher 3: Wild Hunt | 8−9
−25%
|
10−11
+25%
|
| Valorant | 40−45
−37.5%
|
55−60
+37.5%
|
Full HD
Epic
| Fortnite | 10−11
−40%
|
14−16
+40%
|
1440p
High
| Counter-Strike 2 | 5−6
−40%
|
7−8
+40%
|
| Counter-Strike: Global Offensive | 14−16
−40%
|
21−24
+40%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
−42.9%
|
30−33
+42.9%
|
| Valorant | 16−18
−31.3%
|
21−24
+31.3%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 3−4
−33.3%
|
4−5
+33.3%
|
| Forza Horizon 4 | 5−6
−40%
|
7−8
+40%
|
| The Witcher 3: Wild Hunt | 3−4
−33.3%
|
4−5
+33.3%
|
1440p
Epic
| Fortnite | 4−5
−25%
|
5−6
+25%
|
4K
High
| Grand Theft Auto V | 14−16
−28.6%
|
18−20
+28.6%
|
| Valorant | 10−11
−40%
|
14−16
+40%
|
4K
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 5−6
−40%
|
7−8
+40%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
−33.3%
|
4−5
+33.3%
|
4K
Epic
| Fortnite | 3−4
−33.3%
|
4−5
+33.3%
|
Pros & cons summary
| Performance score | 2.10 | 3.13 |
| Maximum RAM amount | 512 MB | 1 GB |
| Power consumption (TDP) | 110 Watt | 286 Watt |
ATI Mobility HD 3870 X2 has 160% lower power consumption.
ATI HD 4870 X2, on the other hand, has a 49% higher aggregate performance score, and a 100% higher maximum VRAM amount.
The Radeon HD 4870 X2 is our recommended choice as it beats the Mobility Radeon HD 3870 X2 in performance tests.
Be aware that Mobility Radeon HD 3870 X2 is a notebook graphics card while Radeon HD 4870 X2 is a desktop one.
Other comparisons
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