ATI Radeon HD 2900 XT vs ATI Mobility HD 3850
Aggregate performance score
We've compared Mobility Radeon HD 3850 with Radeon HD 2900 XT, including specs and performance data.
HD 2900 XT outperforms Mobility HD 3850 by a whopping 132% 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 | 1237 | 1002 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.05 |
| Power efficiency | 1.50 | 0.57 |
| Architecture | TeraScale (2005−2013) | TeraScale (2005−2013) |
| GPU code name | M88 | R600 |
| Market segment | Laptop | Desktop |
| Release date | 4 June 2008 (17 years ago) | 14 May 2007 (19 years ago) |
| Launch price (MSRP) | no data | $399 |
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 | 320 |
| Core clock speed | 580 MHz | 743 MHz |
| Number of transistors | 666 million | 720 million |
| Manufacturing process technology | 55 nm | 80 nm |
| Power consumption (TDP) | 35 Watt | 215 Watt |
| Texture fill rate | 9.280 | 11.89 |
| Floating-point processing power | 0.3712 TFLOPS | 0.4755 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 16 | 16 |
| 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 1.0 x16 |
| Length | no data | 241 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 | GDDR3 |
| Maximum RAM amount | 512 MB | 512 MB |
| Memory bus width | 256 Bit | 512 Bit |
| Memory clock speed | 750 MHz | 828 MHz |
| Memory bandwidth | 48 GB/s | 106.0 GB/s |
| 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) | 10.0 (10_0) |
| Shader Model | 4.1 | 4.0 |
| OpenGL | 3.3 | 3.3 (full) 4.0 (partial) |
| OpenCL | N/A | N/A |
| 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
| Cyberpunk 2077 | 2−3
−100%
|
4−5
+100%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
−100%
|
4−5
+100%
|
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 5−6
−100%
|
10−11
+100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−125%
|
18−20
+125%
|
| Valorant | 27−30
−124%
|
65−70
+124%
|
Full HD
High
| Counter-Strike: Global Offensive | 20−22
−125%
|
45−50
+125%
|
| Cyberpunk 2077 | 2−3
−100%
|
4−5
+100%
|
| Dota 2 | 12−14
−125%
|
27−30
+125%
|
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 5−6
−100%
|
10−11
+100%
|
| Metro Exodus | 1−2
−100%
|
2−3
+100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−125%
|
18−20
+125%
|
| The Witcher 3: Wild Hunt | 6−7
−100%
|
12−14
+100%
|
| Valorant | 27−30
−124%
|
65−70
+124%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
−100%
|
4−5
+100%
|
| Dota 2 | 12−14
−125%
|
27−30
+125%
|
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 5−6
−100%
|
10−11
+100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−125%
|
18−20
+125%
|
| The Witcher 3: Wild Hunt | 6−7
−100%
|
12−14
+100%
|
| Valorant | 27−30
−124%
|
65−70
+124%
|
1440p
High
| Counter-Strike 2 | 3−4
−100%
|
6−7
+100%
|
| Counter-Strike: Global Offensive | 3−4
−100%
|
6−7
+100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−129%
|
16−18
+129%
|
1440p
Ultra
| Forza Horizon 4 | 2−3
−100%
|
4−5
+100%
|
| The Witcher 3: Wild Hunt | 2−3
−100%
|
4−5
+100%
|
1440p
Epic
| Fortnite | 1−2
−100%
|
2−3
+100%
|
4K
High
| Grand Theft Auto V | 14−16
−114%
|
30−33
+114%
|
| Valorant | 3−4
−100%
|
6−7
+100%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−100%
|
4−5
+100%
|
4K
Epic
| Fortnite | 2−3
−100%
|
4−5
+100%
|
Pros & cons summary
| Performance score | 0.68 | 1.58 |
| Recency | 4 June 2008 | 14 May 2007 |
| Chip lithography | 55 nm | 80 nm |
| Power consumption (TDP) | 35 Watt | 215 Watt |
ATI Mobility HD 3850 has an age advantage of 1 year, a 45% more advanced lithography process, and 514% lower power consumption.
ATI HD 2900 XT, on the other hand, has a 132% higher aggregate performance score.
The Radeon HD 2900 XT is our recommended choice as it beats the Mobility Radeon HD 3850 in performance tests.
Be aware that Mobility Radeon HD 3850 is a notebook graphics card while Radeon HD 2900 XT is a desktop one.
Other comparisons
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