Radeon RX 6600S vs ATI Mobility HD 3850
Aggregate performance score
We've compared Mobility Radeon HD 3850 and Radeon RX 6600S, covering specs and all relevant benchmarks.
6600S outperforms Mobility HD 3850 by a whopping 4478% 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 | 199 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.50 | 29.96 |
| Architecture | TeraScale (2005−2013) | RDNA 2.0 (2020−2025) |
| GPU code name | M88 | Navi 23 |
| Market segment | Laptop | Laptop |
| Release date | 4 June 2008 (17 years ago) | 4 January 2022 (4 years ago) |
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 | 1792 |
| Core clock speed | 580 MHz | 1700 MHz |
| Boost clock speed | no data | 2000 MHz |
| Number of transistors | 666 million | 11,060 million |
| Manufacturing process technology | 55 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 80 Watt |
| Texture fill rate | 9.280 | 224.0 |
| Floating-point processing power | 0.3712 TFLOPS | 7.168 TFLOPS |
| ROPs | 16 | 64 |
| TMUs | 16 | 112 |
| Ray Tracing Cores | no data | 28 |
| L0 Cache | no data | 448 KB |
| L1 Cache | no data | 512 KB |
| L2 Cache | 256 KB | 2 MB |
| L3 Cache | no data | 32 MB |
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 | medium sized |
| Interface | PCIe 2.0 x16 | PCIe 4.0 x8 |
| Supplementary power connectors | no data | None |
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 | GDDR6 |
| Maximum RAM amount | 512 MB | 4 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 750 MHz | 1750 MHz |
| Memory bandwidth | 48 GB/s | 224.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
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 | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 Ultimate (12_2) |
| Shader Model | 4.1 | 6.5 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 2.1 |
| Vulkan | N/A | 1.3 |
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
−3450%
|
70−75
+3450%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
−3450%
|
70−75
+3450%
|
| Far Cry 5 | 0−1 | 100−110 |
| Forza Horizon 4 | 5−6
−2360%
|
120−130
+2360%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−1488%
|
120−130
+1488%
|
| Valorant | 27−30
−579%
|
190−200
+579%
|
Full HD
High
| Counter-Strike: Global Offensive | 20−22
−1285%
|
270−280
+1285%
|
| Cyberpunk 2077 | 2−3
−3450%
|
70−75
+3450%
|
| Dota 2 | 12−14
−1033%
|
130−140
+1033%
|
| Far Cry 5 | 0−1 | 100−110 |
| Forza Horizon 4 | 5−6
−2360%
|
120−130
+2360%
|
| Metro Exodus | 1−2
−7200%
|
70−75
+7200%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−1488%
|
120−130
+1488%
|
| The Witcher 3: Wild Hunt | 6−7
−1617%
|
100−110
+1617%
|
| Valorant | 27−30
−579%
|
190−200
+579%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
−3450%
|
70−75
+3450%
|
| Dota 2 | 12−14
−1033%
|
130−140
+1033%
|
| Far Cry 5 | 0−1 | 100−110 |
| Forza Horizon 4 | 5−6
−2360%
|
120−130
+2360%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−1488%
|
120−130
+1488%
|
| The Witcher 3: Wild Hunt | 6−7
−1617%
|
100−110
+1617%
|
| Valorant | 27−30
−579%
|
190−200
+579%
|
1440p
High
| Counter-Strike 2 | 3−4
−2367%
|
70−75
+2367%
|
| Counter-Strike: Global Offensive | 3−4
−7267%
|
220−230
+7267%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−2400%
|
170−180
+2400%
|
1440p
Ultra
| Forza Horizon 4 | 2−3
−4150%
|
85−90
+4150%
|
| The Witcher 3: Wild Hunt | 2−3
−2650%
|
55−60
+2650%
|
1440p
Epic
| Fortnite | 1−2
−7900%
|
80−85
+7900%
|
4K
High
| Grand Theft Auto V | 14−16
−357%
|
60−65
+357%
|
| Valorant | 3−4
−6300%
|
190−200
+6300%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−1800%
|
35−40
+1800%
|
4K
Epic
| Fortnite | 2−3
−1800%
|
35−40
+1800%
|
Full HD
Low
| Counter-Strike 2 | 170−180
+0%
|
170−180
+0%
|
| Resident Evil 4 Remake | 80−85
+0%
|
80−85
+0%
|
Full HD
Medium
| Battlefield 5 | 110−120
+0%
|
110−120
+0%
|
| Counter-Strike 2 | 170−180
+0%
|
170−180
+0%
|
| Fortnite | 140−150
+0%
|
140−150
+0%
|
| Forza Horizon 5 | 100−105
+0%
|
100−105
+0%
|
Full HD
High
| Battlefield 5 | 110−120
+0%
|
110−120
+0%
|
| Counter-Strike 2 | 170−180
+0%
|
170−180
+0%
|
| Fortnite | 140−150
+0%
|
140−150
+0%
|
| Forza Horizon 5 | 100−105
+0%
|
100−105
+0%
|
| Grand Theft Auto V | 110−120
+0%
|
110−120
+0%
|
Full HD
Ultra
| Battlefield 5 | 110−120
+0%
|
110−120
+0%
|
Full HD
Epic
| Fortnite | 140−150
+0%
|
140−150
+0%
|
1440p
High
| Grand Theft Auto V | 60−65
+0%
|
60−65
+0%
|
| Metro Exodus | 40−45
+0%
|
40−45
+0%
|
| Valorant | 230−240
+0%
|
230−240
+0%
|
1440p
Ultra
| Battlefield 5 | 80−85
+0%
|
80−85
+0%
|
| Cyberpunk 2077 | 30−35
+0%
|
30−35
+0%
|
| Far Cry 5 | 75−80
+0%
|
75−80
+0%
|
4K
High
| Counter-Strike 2 | 30−35
+0%
|
30−35
+0%
|
| Metro Exodus | 27−30
+0%
|
27−30
+0%
|
| The Witcher 3: Wild Hunt | 45−50
+0%
|
45−50
+0%
|
4K
Ultra
| Battlefield 5 | 50−55
+0%
|
50−55
+0%
|
| Counter-Strike 2 | 30−35
+0%
|
30−35
+0%
|
| Cyberpunk 2077 | 14−16
+0%
|
14−16
+0%
|
| Dota 2 | 95−100
+0%
|
95−100
+0%
|
| Far Cry 5 | 35−40
+0%
|
35−40
+0%
|
| Forza Horizon 4 | 55−60
+0%
|
55−60
+0%
|
Here's the range of performance differences observed across popular games:
- in Fortnite, with 1440p resolution and the Epic Preset, the RX 6600S is 7900% faster.
All in all, in popular games:
- RX 6600S performs better in 29 tests (51%)
- there's a draw in 28 tests (49%)
Pros & cons summary
| Performance score | 0.68 | 31.13 |
| Recency | 4 June 2008 | 4 January 2022 |
| Maximum RAM amount | 512 MB | 4 GB |
| Chip lithography | 55 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 80 Watt |
ATI Mobility HD 3850 has 129% lower power consumption.
RX 6600S, on the other hand, has a 4478% higher aggregate performance score, an age advantage of 13 years, a 700% higher maximum VRAM amount, and a 686% more advanced lithography process.
The Radeon RX 6600S is our recommended choice as it beats the Mobility Radeon HD 3850 in performance tests.
Other comparisons
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