ATI Mobility Radeon HD 4850 Mac Edition vs ATI X850 XT
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1465 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.21 | no data |
| Architecture | R400 (2004−2008) | TeraScale (2005−2013) |
| GPU code name | R480 | M98 |
| Market segment | Desktop | Laptop |
| Release date | 1 December 2004 (21 years ago) | 28 August 2009 (16 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 | no data | 800 |
| Core clock speed | 520 MHz | 503 MHz |
| Number of transistors | 160 million | 956 million |
| Manufacturing process technology | 130 nm | 55 nm |
| Power consumption (TDP) | 69 Watt | no data |
| Texture fill rate | 8.320 | 20.12 |
| Floating-point processing power | no data | 0.8048 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 16 | 40 |
| L1 Cache | no data | 160 KB |
| L2 Cache | no data | 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).
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| 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 | GDDR3 | GDDR3 |
| Maximum RAM amount | 256 MB | 512 MB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 540 MHz | 850 MHz |
| Memory bandwidth | 34.56 GB/s | 54.4 GB/s |
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 S-Video | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0b (9_2) | 10.1 (10_1) |
| Shader Model | no data | 4.1 |
| OpenGL | 2.0 | 3.3 |
| OpenCL | N/A | 1.1 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 1 December 2004 | 28 August 2009 |
| Maximum RAM amount | 256 MB | 512 MB |
| Chip lithography | 130 nm | 55 nm |
ATI Mobility HD 4850 Mac Edition has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 136% more advanced lithography process.
We couldn't decide between Radeon X850 XT and Mobility Radeon HD 4850 Mac Edition. We've got no test results to judge.
Be aware that Radeon X850 XT is a desktop graphics card while Mobility Radeon HD 4850 Mac Edition is a notebook one.
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