Radeon RX 6600S vs GeForce GT 755M Mac Edition
Aggregate performance score
We've compared GeForce GT 755M Mac Edition and Radeon RX 6600S, covering specs and all relevant benchmarks.
6600S outperforms 755M Mac Edition by a whopping 1530% 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 | 951 | 190 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 3.10 | 31.57 |
| Architecture | Kepler (2012−2018) | RDNA 2.0 (2020−2025) |
| GPU code name | GK107 | Navi 23 |
| Market segment | Laptop | Laptop |
| Release date | 8 November 2013 (12 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 384 | 1792 |
| Core clock speed | 1085 MHz | 1700 MHz |
| Boost clock speed | no data | 2000 MHz |
| Number of transistors | 1,270 million | 11,060 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 50 Watt | 80 Watt |
| Texture fill rate | 34.72 | 224.0 |
| Floating-point processing power | 0.8333 TFLOPS | 7.168 TFLOPS |
| ROPs | 16 | 64 |
| TMUs | 32 | 112 |
| Ray Tracing Cores | no data | 28 |
| L0 Cache | no data | 448 KB |
| L1 Cache | 32 KB | 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 | no data | medium sized |
| Interface | PCIe 3.0 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 1 GB | 4 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 1250 MHz | 1750 MHz |
| Memory bandwidth | 80 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 | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.0 | - |
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
| Atomic Heart | 95−100 | 95−100 |
| Counter-Strike 2 | 180−190 | 180−190 |
| Cyberpunk 2077 | 75−80 | 75−80 |
Full HD
Medium
| Atomic Heart | 95−100 | 95−100 |
| Battlefield 5 | 120−130 | 120−130 |
| Counter-Strike 2 | 180−190 | 180−190 |
| Cyberpunk 2077 | 75−80 | 75−80 |
| Far Cry 5 | 100−110 | 100−110 |
| Fortnite | 140−150 | 140−150 |
| Forza Horizon 4 | 120−130 | 120−130 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 130−140 | 130−140 |
| Valorant | 200−210 | 200−210 |
Full HD
High
| Atomic Heart | 95−100 | 95−100 |
| Battlefield 5 | 120−130 | 120−130 |
| Counter-Strike 2 | 180−190 | 180−190 |
| Counter-Strike: Global Offensive | 270−280 | 270−280 |
| Cyberpunk 2077 | 75−80 | 75−80 |
| Dota 2 | 130−140 | 130−140 |
| Far Cry 5 | 100−110 | 100−110 |
| Far Cry 6 | 95−100 | 95−100 |
| Fortnite | 140−150 | 140−150 |
| Forza Horizon 4 | 120−130 | 120−130 |
| Grand Theft Auto V | 110−120 | 110−120 |
| Metro Exodus | 75−80 | 75−80 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 130−140 | 130−140 |
| The Witcher 3: Wild Hunt | 110−120 | 110−120 |
| Valorant | 200−210 | 200−210 |
Full HD
Ultra
| Battlefield 5 | 120−130 | 120−130 |
| Cyberpunk 2077 | 75−80 | 75−80 |
| Dota 2 | 130−140 | 130−140 |
| Far Cry 5 | 100−110 | 100−110 |
| Forza Horizon 4 | 120−130 | 120−130 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 130−140 | 130−140 |
| The Witcher 3: Wild Hunt | 110−120 | 110−120 |
| Valorant | 200−210 | 200−210 |
Full HD
Epic
| Fortnite | 140−150 | 140−150 |
1440p
High
| Counter-Strike 2 | 75−80 | 75−80 |
| Counter-Strike: Global Offensive | 230−240 | 230−240 |
| Far Cry 6 | 55−60 | 55−60 |
| Grand Theft Auto V | 65−70 | 65−70 |
| Metro Exodus | 45−50 | 45−50 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 230−240 | 230−240 |
1440p
Ultra
| Battlefield 5 | 85−90 | 85−90 |
| Cyberpunk 2077 | 35−40 | 35−40 |
| Far Cry 5 | 75−80 | 75−80 |
| Forza Horizon 4 | 90−95 | 90−95 |
| The Witcher 3: Wild Hunt | 55−60 | 55−60 |
1440p
Epic
| Fortnite | 85−90 | 85−90 |
4K
High
| Atomic Heart | 24−27 | 24−27 |
| Counter-Strike 2 | 35−40 | 35−40 |
| Far Cry 6 | 21−24 | 21−24 |
| Grand Theft Auto V | 65−70 | 65−70 |
| Metro Exodus | 27−30 | 27−30 |
| The Witcher 3: Wild Hunt | 50−55 | 50−55 |
| Valorant | 190−200 | 190−200 |
4K
Ultra
| Battlefield 5 | 50−55 | 50−55 |
| Counter-Strike 2 | 35−40 | 35−40 |
| Cyberpunk 2077 | 16−18 | 16−18 |
| Dota 2 | 95−100 | 95−100 |
| Far Cry 5 | 40−45 | 40−45 |
| Forza Horizon 4 | 60−65 | 60−65 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 40−45 | 40−45 |
4K
Epic
| Fortnite | 40−45 | 40−45 |
All in all, in popular games:
- there's a draw in 64 tests (100%)
Pros & cons summary
| Performance score | 1.99 | 32.43 |
| Recency | 8 November 2013 | 4 January 2022 |
| Maximum RAM amount | 1 GB | 4 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 50 Watt | 80 Watt |
GT 755M Mac Edition has 38% lower power consumption.
RX 6600S, on the other hand, has a 1530% higher aggregate performance score, an age advantage of 8 years, a 300% higher maximum VRAM amount, and a 75% more advanced lithography process.
The Radeon RX 6600S is our recommended choice as it beats the GeForce GT 755M Mac Edition in performance tests.
Other comparisons
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