Radeon RX 6700 XT vs GeForce GTX 660M Mac Edition
Aggregate performance score
We've compared GeForce GTX 660M Mac Edition with Radeon RX 6700 XT, including specs and performance data.
6700 XT outperforms 660M Mac Edition by a whopping 3127% 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 | 1049 | 79 |
| Place by popularity | not in top-100 | 69 |
| Cost-effectiveness evaluation | no data | 43.92 |
| Power efficiency | 2.28 | 15.96 |
| Architecture | Kepler (2012−2018) | RDNA 2.0 (2020−2025) |
| GPU code name | GK107 | Navi 22 |
| Market segment | Laptop | Desktop |
| Release date | 1 April 2013 (13 years ago) | 3 March 2021 (5 years ago) |
| Launch price (MSRP) | no data | $479 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
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 | 2560 |
| Core clock speed | 950 MHz | 2321 MHz |
| Boost clock speed | 950 MHz | 2581 MHz |
| Number of transistors | 1.27 billion | 17,200 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 50 Watt | 230 Watt |
| Texture fill rate | 30.40 | 413.0 |
| Floating-point processing power | no data | 13.21 TFLOPS |
| ROPs | 16 | 64 |
| TMUs | 32 | 160 |
| Ray Tracing Cores | no data | 40 |
| L0 Cache | no data | 640 KB |
| L1 Cache | 32 KB | 512 KB |
| L2 Cache | 256 KB | 3 MB |
| L3 Cache | no data | 96 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).
| Interface | MXM-B (3.0) | PCIe 4.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 512 MB | 12 GB |
| Memory bus width | 128 Bit | 192 Bit |
| Memory clock speed | 1250 MHz | 2000 MHz |
| Memory bandwidth | 80 GB/s | 384.0 GB/s |
| 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 | Portable Device Dependent | 1x HDMI, 3x DisplayPort |
| HDMI | - | + |
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 | 6.5 (5.1) | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.2.175 | 1.2 |
| 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.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 4−5
−97.2%
| 143 |
| 1440p | 2−3 | 77
+3750%
|
| 4K | 1−2 | 45
+4400%
|
Cost per frame, $
| 1080p | no data | 3.35 |
| 1440p | no data | 6.22 |
| 4K | no data | 10.64 |
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 349 | 349 |
| Cyberpunk 2077 | 119 | 119 |
| Hogwarts Legacy | 170 | 170 |
| Resident Evil 4 Remake | 257 | 257 |
Full HD
Medium
| Battlefield 5 | 140−150 | 140−150 |
| Counter-Strike 2 | 347 | 347 |
| Cyberpunk 2077 | 99 | 99 |
| Far Cry 5 | 178 | 178 |
| Fortnite | 200−210 | 200−210 |
| Forza Horizon 4 | 180−190 | 180−190 |
| Hogwarts Legacy | 128 | 128 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 270−280 | 270−280 |
Full HD
High
| Battlefield 5 | 140−150 | 140−150 |
| Counter-Strike 2 | 206 | 206 |
| Counter-Strike: Global Offensive | 270−280 | 270−280 |
| Cyberpunk 2077 | 90 | 90 |
| Dota 2 | 175 | 175 |
| Far Cry 5 | 169 | 169 |
| Fortnite | 200−210 | 200−210 |
| Forza Horizon 4 | 180−190 | 180−190 |
| Grand Theft Auto V | 161 | 161 |
| Hogwarts Legacy | 99 | 99 |
| Metro Exodus | 119 | 119 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 223 | 223 |
| Valorant | 270−280 | 270−280 |
Full HD
Ultra
| Battlefield 5 | 140−150 | 140−150 |
| Cyberpunk 2077 | 85 | 85 |
| Dota 2 | 139 | 139 |
| Far Cry 5 | 159 | 159 |
| Forza Horizon 4 | 180−190 | 180−190 |
| Hogwarts Legacy | 74 | 74 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 127 | 127 |
| Valorant | 270−280 | 270−280 |
Full HD
Epic
| Fortnite | 200−210 | 200−210 |
1440p
High
| Counter-Strike 2 | 126 | 126 |
| Counter-Strike: Global Offensive | 300−350 | 300−350 |
| Grand Theft Auto V | 102 | 102 |
| Metro Exodus | 71 | 71 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 300−350 | 300−350 |
1440p
Ultra
| Battlefield 5 | 110−120 | 110−120 |
| Cyberpunk 2077 | 56 | 56 |
| Far Cry 5 | 137 | 137 |
| Forza Horizon 4 | 140−150 | 140−150 |
| Hogwarts Legacy | 53 | 53 |
| The Witcher 3: Wild Hunt | 100−105 | 100−105 |
1440p
Epic
| Fortnite | 130−140 | 130−140 |
4K
High
| Counter-Strike 2 | 32 | 32 |
| Grand Theft Auto V | 102 | 102 |
| Hogwarts Legacy | 30−35 | 30−35 |
| Metro Exodus | 43 | 43 |
| The Witcher 3: Wild Hunt | 74 | 74 |
| Valorant | 280−290 | 280−290 |
4K
Ultra
| Battlefield 5 | 75−80 | 75−80 |
| Counter-Strike 2 | 55−60 | 55−60 |
| Cyberpunk 2077 | 25 | 25 |
| Dota 2 | 106 | 106 |
| Far Cry 5 | 71 | 71 |
| Forza Horizon 4 | 95−100 | 95−100 |
| Hogwarts Legacy | 29 | 29 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 75−80 | 75−80 |
4K
Epic
| Fortnite | 65−70 | 65−70 |
This is how GTX 660M Mac Edition and RX 6700 XT compete in popular games:
- RX 6700 XT is 3475% faster in 1080p
- RX 6700 XT is 3750% faster in 1440p
- RX 6700 XT is 4400% faster in 4K
All in all, in popular games:
- there's a draw in 65 tests (100%)
Pros & cons summary
| Performance score | 1.46 | 47.12 |
| Recency | 1 April 2013 | 3 March 2021 |
| Maximum RAM amount | 512 MB | 12 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 50 Watt | 230 Watt |
GTX 660M Mac Edition has 78% lower power consumption.
RX 6700 XT, on the other hand, has a 3127% higher aggregate performance score, an age advantage of 7 years, a 2300% higher maximum VRAM amount, and a 75% more advanced lithography process.
The Radeon RX 6700 XT is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.
Be aware that GeForce GTX 660M Mac Edition is a notebook graphics card while Radeon RX 6700 XT is a desktop one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
