GeForce Go 6600 NPB 128M vs Radeon RX 580 XTR
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 4.0 (2016−2020) | Curie (2003−2013) |
| GPU code name | Polaris 20 | NV43 A4 |
| Market segment | Desktop | Laptop |
| Release date | 18 April 2017 (7 years ago) | 29 September 2005 (19 years ago) |
| Launch price (MSRP) | $229 | no data |
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 | 2304 | no data |
| Core clock speed | 1257 MHz | 375 MHz |
| Boost clock speed | 1340 MHz | no data |
| Number of transistors | 5,700 million | 146 million |
| Manufacturing process technology | 14 nm | 110 nm |
| Power consumption (TDP) | 185 Watt | no data |
| Texture fill rate | 193.0 | 3.000 |
| ROPs | 32 | 4 |
| TMUs | 144 | 8 |
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 | PCIe 3.0 x16 | PCIe 1.0 x16 |
| Length | 241 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 8-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 | DDR |
| Maximum RAM amount | 8 GB | 128 MB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 8000 MHz | 300 MHz |
| Memory bandwidth | 256.0 GB/s | 9.6 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 | 1x HDMI, 3x DisplayPort | No outputs |
| HDMI | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12.0 (12_0) | 9.0c (9_3) |
| Shader Model | no data | 3.0 |
| OpenGL | 4.5 | 2.1 |
| OpenCL | no data | N/A |
| Vulkan | - | N/A |
Pros & cons summary
| Recency | 18 April 2017 | 29 September 2005 |
| Maximum RAM amount | 8 GB | 128 MB |
| Chip lithography | 14 nm | 110 nm |
RX 580 XTR has an age advantage of 11 years, a 6300% higher maximum VRAM amount, and a 685.7% more advanced lithography process.
We couldn't decide between Radeon RX 580 XTR and GeForce Go 6600 NPB 128M. We've got no test results to judge.
Be aware that Radeon RX 580 XTR is a desktop card while GeForce Go 6600 NPB 128M is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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