ATI Mobility Radeon X1800 vs GeForce GTX 660 OEM
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 804 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.83 | no data |
| Architecture | Kepler (2012−2018) | R500 (2005−2007) |
| GPU code name | GK104 | M58 |
| Market segment | Desktop | Laptop |
| Release date | 22 August 2012 (13 years ago) | 1 March 2006 (19 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 | 1152 | 18 |
| Core clock speed | 823 MHz | 450 MHz |
| Boost clock speed | 888 MHz | 450 MHz |
| Number of transistors | 3,540 million | 321 million |
| Manufacturing process technology | 28 nm | 90 nm |
| Power consumption (TDP) | 130 Watt | no data |
| Texture fill rate | 85.25 | 5.400 |
| Floating-point processing power | 2.046 TFLOPS | no data |
| ROPs | 32 | 12 |
| TMUs | 96 | 12 |
| L1 Cache | 96 KB | no data |
| L2 Cache | 512 KB | no data |
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 | large |
| Interface | PCIe 3.0 x16 | MXM-III |
| Length | 241 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR3 |
| Maximum RAM amount | 2 GB | 256 MB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1400 MHz | 500 MHz |
| Memory bandwidth | 179.2 GB/s | 32 GB/s |
| Shared memory | - | - |
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 | 2x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 9.0c (9_3) |
| Shader Model | 5.1 | 3.0 |
| OpenGL | 4.6 | 2.0 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.0 | - |
Pros & cons summary
| Recency | 22 August 2012 | 1 March 2006 |
| Maximum RAM amount | 2 GB | 256 MB |
| Chip lithography | 28 nm | 90 nm |
GTX 660 OEM has an age advantage of 6 years, a 700% higher maximum VRAM amount, and a 221.4% more advanced lithography process.
We couldn't decide between GeForce GTX 660 OEM and Mobility Radeon X1800. We've got no test results to judge.
Be aware that GeForce GTX 660 OEM is a desktop graphics card while Mobility Radeon X1800 is a notebook one.
Other comparisons
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