GeForce GTX 660M Mac Edition vs Radeon R9 270X
Aggregate performance score
We've compared Radeon R9 270X and GeForce GTX 660M Mac Edition, covering specs and all relevant benchmarks.
R9 270X outperforms GTX 660M Mac Edition by a whopping 712% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 367 | 926 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.61 | 0.04 |
| Architecture | GCN (2011−2017) | Kepler (2012−2018) |
| GPU code name | Curacao XT | GK107 |
| Market segment | Desktop | Desktop |
| Design | reference | no data |
| Release date | 8 October 2013 (10 years ago) | 1 April 2013 (11 years ago) |
| Launch price (MSRP) | $199 | no data |
| Current price | $136 (0.7x MSRP) | $149 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
R9 270X has 11425% better value for money than GTX 660M Mac Edition.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1280 | 384 |
| Core clock speed | no data | 950 MHz |
| Boost clock speed | 1050 MHz | no data |
| Number of transistors | 2,800 million | 1,270 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 180 Watt | 50 Watt |
| Texture fill rate | 84.00 | 30.40 |
| Floating-point performance | 2,688 gflops | 729.6 gflops |
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).
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Width | 2-slot | MXM Module |
| Supplementary power connectors | 2 x 6-pin | 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 | GDDR5 |
| Maximum RAM amount | 4 GB | 512 MB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | no data | 5000 MHz |
| Memory bandwidth | 179.2 GB/s | 80 GB/s |
| Shared memory | - | no data |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 2x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| Eyefinity | + | no data |
| HDMI | + | no data |
| DisplayPort support | + | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | + | no data |
| CrossFire | 1 | no data |
| Enduro | - | no data |
| FreeSync | 1 | no data |
| HD3D | + | no data |
| LiquidVR | 1 | no data |
| PowerTune | - | no data |
| TressFX | 1 | no data |
| TrueAudio | + | no data |
| ZeroCore | - | no data |
| UVD | + | no data |
| DDMA audio | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | + | 1.1.126 |
| Mantle | - | no data |
| CUDA | no data | 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 Preset
| Cyberpunk 2077 | 160−170
+700%
|
20−22
−700%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 210−220
+708%
|
24−27
−708%
|
| Assassin's Creed Valhalla | 160−170
+700%
|
20−22
−700%
|
| Battlefield 5 | 300−310
+632%
|
40−45
−632%
|
| Call of Duty: Modern Warfare | 210−220
+708%
|
24−27
−708%
|
| Cyberpunk 2077 | 160−170
+700%
|
20−22
−700%
|
| Far Cry 5 | 240−250
+700%
|
30−33
−700%
|
| Far Cry New Dawn | 280−290
+700%
|
35−40
−700%
|
| Forza Horizon 4 | 450−500
+638%
|
60−65
−638%
|
| Hitman 3 | 190−200
+692%
|
24−27
−692%
|
| Horizon Zero Dawn | 400−450
+669%
|
50−55
−669%
|
| Metro Exodus | 300−310
+632%
|
40−45
−632%
|
| Red Dead Redemption 2 | 290−300
+706%
|
35−40
−706%
|
| Shadow of the Tomb Raider | 300−310
+669%
|
35−40
−669%
|
| Watch Dogs: Legion | 300−310
+598%
|
40−45
−598%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 210−220
+708%
|
24−27
−708%
|
| Assassin's Creed Valhalla | 160−170
+700%
|
20−22
−700%
|
| Battlefield 5 | 300−310
+632%
|
40−45
−632%
|
| Call of Duty: Modern Warfare | 210−220
+708%
|
24−27
−708%
|
| Cyberpunk 2077 | 160−170
+700%
|
20−22
−700%
|
| Far Cry 5 | 240−250
+700%
|
30−33
−700%
|
| Far Cry New Dawn | 280−290
+700%
|
35−40
−700%
|
| Forza Horizon 4 | 450−500
+638%
|
60−65
−638%
|
| Hitman 3 | 190−200
+692%
|
24−27
−692%
|
| Horizon Zero Dawn | 400−450
+669%
|
50−55
−669%
|
| Metro Exodus | 300−310
+632%
|
40−45
−632%
|
| Red Dead Redemption 2 | 290−300
+706%
|
35−40
−706%
|
| Shadow of the Tomb Raider | 300−310
+669%
|
35−40
−669%
|
| The Witcher 3: Wild Hunt | 210−220
+708%
|
24−27
−708%
|
| Watch Dogs: Legion | 300−310
+598%
|
40−45
−598%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 210−220
+708%
|
24−27
−708%
|
| Assassin's Creed Valhalla | 160−170
+700%
|
20−22
−700%
|
| Call of Duty: Modern Warfare | 210−220
+708%
|
24−27
−708%
|
| Cyberpunk 2077 | 160−170
+700%
|
20−22
−700%
|
| Far Cry 5 | 240−250
+700%
|
30−33
−700%
|
| Forza Horizon 4 | 450−500
+638%
|
60−65
−638%
|
| Horizon Zero Dawn | 400−450
+669%
|
50−55
−669%
|
| Shadow of the Tomb Raider | 300−310
+669%
|
35−40
−669%
|
| The Witcher 3: Wild Hunt | 210−220
+708%
|
24−27
−708%
|
| Watch Dogs: Legion | 300−310
+598%
|
40−45
−598%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 290−300
+706%
|
35−40
−706%
|
1440p
High Preset
| Battlefield 5 | 200−210
+700%
|
24−27
−700%
|
| Far Cry New Dawn | 170−180
+673%
|
21−24
−673%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 100−105
+669%
|
12−14
−669%
|
| Assassin's Creed Valhalla | 70−75
+678%
|
9−10
−678%
|
| Call of Duty: Modern Warfare | 120−130
+700%
|
14−16
−700%
|
| Cyberpunk 2077 | 45−50
+650%
|
6−7
−650%
|
| Far Cry 5 | 160−170
+700%
|
20−22
−700%
|
| Forza Horizon 4 | 190−200
+692%
|
24−27
−692%
|
| Hitman 3 | 120−130
+650%
|
16−18
−650%
|
| Horizon Zero Dawn | 210−220
+708%
|
24−27
−708%
|
| Metro Exodus | 170−180
+710%
|
21−24
−710%
|
| Shadow of the Tomb Raider | 170−180
+710%
|
21−24
−710%
|
| The Witcher 3: Wild Hunt | 100−105
+669%
|
12−14
−669%
|
| Watch Dogs: Legion | 55−60
+686%
|
7−8
−686%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 170−180
+710%
|
21−24
−710%
|
4K
High Preset
| Battlefield 5 | 95−100
+692%
|
12−14
−692%
|
| Far Cry New Dawn | 70−75
+678%
|
9−10
−678%
|
| Hitman 3 | 70−75
+678%
|
9−10
−678%
|
| Horizon Zero Dawn | 100−105
+669%
|
12−14
−669%
|
| Shadow of the Tomb Raider | 55−60
+686%
|
7−8
−686%
|
| The Witcher 3: Wild Hunt | 85−90
+673%
|
10−12
−673%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 55−60
+686%
|
7−8
−686%
|
| Assassin's Creed Valhalla | 45−50
+650%
|
6−7
−650%
|
| Call of Duty: Modern Warfare | 45−50
+650%
|
6−7
−650%
|
| Cyberpunk 2077 | 16−18
+700%
|
2−3
−700%
|
| Far Cry 5 | 55−60
+686%
|
7−8
−686%
|
| Forza Horizon 4 | 130−140
+665%
|
16−18
−665%
|
| Horizon Zero Dawn | 100−105
+669%
|
12−14
−669%
|
| Metro Exodus | 95−100
+692%
|
12−14
−692%
|
| Watch Dogs: Legion | 40−45
+700%
|
5−6
−700%
|
4K
Epic Preset
| Red Dead Redemption 2 | 95−100
+692%
|
12−14
−692%
|
Pros & cons summary
| Performance score | 12.66 | 1.56 |
| Recency | 8 October 2013 | 1 April 2013 |
| Maximum RAM amount | 4 GB | 512 MB |
| Power consumption (TDP) | 180 Watt | 50 Watt |
The Radeon R9 270X is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
