ATI Radeon HD 4855 vs GeForce GTX 280M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1043 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.40 | no data |
| Architecture | Tesla (2006−2010) | TeraScale (2005−2013) |
| GPU code name | G92B | RV770 |
| Market segment | Laptop | Desktop |
| Release date | 3 March 2009 (16 years ago) | 3 January 2010 (15 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 | 128 | 640 |
| Core clock speed | 585 MHz | 575 MHz |
| Number of transistors | 754 million | 956 million |
| Manufacturing process technology | 55 nm | 55 nm |
| Power consumption (TDP) | 75 Watt | 110 Watt |
| Texture fill rate | 37.44 | 18.40 |
| Floating-point processing power | 0.3745 TFLOPS | 0.736 TFLOPS |
| Gigaflops | 562 | no data |
| ROPs | 16 | 16 |
| TMUs | 64 | 32 |
| L1 Cache | no data | 128 KB |
| L2 Cache | 64 KB | 256 KB |
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 | large | no data |
| Bus support | PCI-E 2.0 | no data |
| Interface | MXM-HE | PCIe 2.0 x16 |
| Length | no data | 220 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 1x 6-pin |
| SLI options | + | - |
| MXM Type | MXM 3.0 Type-B | 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 | GDDR3 | GDDR5 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | Up to 950 MHz | 900 MHz |
| Memory bandwidth | 61 GB/s | 115.2 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 | HDMIDual Link DVISingle Link DVIDisplayPortLVDSVGA | 1x DVI, 1x HDMI, 1x VGA |
| HDMI | + | + |
| Maximum VGA resolution | 2048x1536 | no data |
| Audio input for HDMI | S/PDIF | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Power management | 8.0 | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 10.1 (10_1) |
| Shader Model | 4.0 | 4.1 |
| OpenGL | 2.1 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 3 March 2009 | 3 January 2010 |
| Maximum RAM amount | 1 GB | 512 MB |
| Power consumption (TDP) | 75 Watt | 110 Watt |
GTX 280M has a 100% higher maximum VRAM amount, and 46.7% lower power consumption.
ATI HD 4855, on the other hand, has an age advantage of 10 months.
We couldn't decide between GeForce GTX 280M and Radeon HD 4855. We've got no test results to judge.
Be aware that GeForce GTX 280M is a notebook graphics card while Radeon HD 4855 is a desktop one.
Other comparisons
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