GeForce GT 555M 2 GB vs ATI Radeon HD 2900 PRO
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 954 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.57 | no data |
| Architecture | TeraScale (2005−2013) | Fermi 2.0 (2010−2014) |
| GPU code name | R600 | GF116 |
| Market segment | Desktop | Laptop |
| Release date | 12 December 2007 (16 years ago) | 26 March 2012 (12 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 | 320 | 144 |
| Core clock speed | 600 MHz | 675 MHz |
| Number of transistors | 720 million | 1,170 million |
| Manufacturing process technology | 80 nm | 40 nm |
| Power consumption (TDP) | 200 Watt | 35 Watt |
| Texture fill rate | 9.600 | 16.20 |
| Floating-point processing power | 0.384 TFLOPS | 0.3888 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 16 | 24 |
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 1.0 x16 | PCIe 2.0 x16 |
| Length | 241 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 8-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 | GDDR3 | DDR3 |
| Maximum RAM amount | 512 MB | 2 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 800 MHz | 900 MHz |
| Memory bandwidth | 51.2 GB/s | 28.8 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 | 2x DVI, 1x S-Video | Portable Device Dependent |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.0 (10_0) | 12 (11_0) |
| Shader Model | 4.0 | 5.1 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | 2.1 |
Pros & cons summary
| Recency | 12 December 2007 | 26 March 2012 |
| Maximum RAM amount | 512 MB | 2 GB |
| Chip lithography | 80 nm | 40 nm |
| Power consumption (TDP) | 200 Watt | 35 Watt |
GT 555M 2 GB has an age advantage of 4 years, a 300% higher maximum VRAM amount, a 100% more advanced lithography process, and 471.4% lower power consumption.
We couldn't decide between Radeon HD 2900 PRO and GeForce GT 555M 2 GB. We've got no test results to judge.
Be aware that Radeon HD 2900 PRO is a desktop card while GeForce GT 555M 2 GB is a notebook 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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