Radeon Pro 575X vs GeForce GTX 660
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 405 | not rated |
| Place by popularity | 69 | not in top-100 |
| Cost-effectiveness evaluation | 2.41 | no data |
| Architecture | Kepler (2012−2018) | GCN 4.0 (2016−2020) |
| GPU code name | GK106 | Polaris 20 |
| Market segment | Desktop | Mobile workstation |
| Release date | 6 September 2012 (11 years ago) | 18 March 2019 (5 years ago) |
| Launch price (MSRP) | $229 | no data |
| Current price | $172 (0.8x MSRP) | $422 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 960 | 2048 |
| CUDA cores | 960 | no data |
| Core clock speed | 980 MHz | 1096 MHz |
| Boost clock speed | 1033 MHz | no data |
| Number of transistors | 2,540 million | 5,700 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 140 Watt | 120 Watt |
| Texture fill rate | 78.4 billion/sec | 140.3 |
| Floating-point performance | 1,981 gflops | no data |
Form factor & compatibility
Information on GeForce GTX 660 and Radeon Pro 575X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Bus support | PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | 9.5" (24.1 cm) | no data |
| Height | 4.376" (11.1 cm) | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | One 6-pin | None |
| SLI options | + | no data |
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 | 2 GB | 4 GB |
| Memory bus width | 192-bit GDDR5 | 256 Bit |
| Memory clock speed | 6.0 GB/s | 6800 MHz |
| Memory bandwidth | 144.2 GB/s | 217.6 GB/s |
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 | One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort | No outputs |
| Multi monitor support | 4 displays | no data |
| HDMI | + | no data |
| HDCP | + | no data |
| Maximum VGA resolution | 2048x1536 | no data |
| Audio input for HDMI | Internal | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Blu-Ray | + | no data |
| 3D Gaming | + | no data |
| 3D Vision | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.3 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | + | no data |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
GeekBench 5 OpenCL
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.
Benchmark coverage: 9%
Radeon Pro 575X outperforms GeForce GTX 660 by 207% in GeekBench 5 OpenCL.
GeekBench 5 Vulkan
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.
Benchmark coverage: 5%
Radeon Pro 575X outperforms GeForce GTX 660 by 218% in GeekBench 5 Vulkan.
Pros & cons summary
| Recency | 6 September 2012 | 18 March 2019 |
| Maximum RAM amount | 2 GB | 4 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 140 Watt | 120 Watt |
We couldn't decide between GeForce GTX 660 and Radeon Pro 575X. We've got no test results to judge.
Be aware that GeForce GTX 660 is a desktop card while Radeon Pro 575X is a mobile workstation one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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