ATI Radeon X800 GTO vs HD 6770M Mac Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 1402 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 0.42 |
| Architecture | TeraScale 2 (2009−2015) | R400 (2004−2008) |
| GPU code name | Whistler | R423 |
| Market segment | Laptop | Desktop |
| Release date | 28 January 2011 (14 years ago) | 29 December 2007 (17 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 | 480 | no data |
| Core clock speed | 725 MHz | 400 MHz |
| Number of transistors | 716 million | 160 million |
| Manufacturing process technology | 40 nm | 130 nm |
| Power consumption (TDP) | 35 Watt | 49 Watt |
| Texture fill rate | 17.40 | 4.800 |
| Floating-point processing power | 0.696 TFLOPS | no data |
| ROPs | 8 | 12 |
| TMUs | 24 | 12 |
| L1 Cache | 48 KB | no data |
| L2 Cache | 256 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).
| Interface | MXM-A (3.0) | PCIe 1.0 x16 |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | 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 | GDDR5 | DDR |
| Maximum RAM amount | 512 MB | 128 MB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 900 MHz | 350 MHz |
| Memory bandwidth | 57.6 GB/s | 22.4 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 | No outputs | 1x DVI, 1x VGA, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 9.0b (9_2) |
| Shader Model | 5.0 | no data |
| OpenGL | 4.4 | 2.0 |
| OpenCL | 1.2 | N/A |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 28 January 2011 | 29 December 2007 |
| Maximum RAM amount | 512 MB | 128 MB |
| Chip lithography | 40 nm | 130 nm |
| Power consumption (TDP) | 35 Watt | 49 Watt |
HD 6770M Mac Edition has an age advantage of 3 years, a 300% higher maximum VRAM amount, a 225% more advanced lithography process, and 40% lower power consumption.
We couldn't decide between Radeon HD 6770M Mac Edition and Radeon X800 GTO. We've got no test results to judge.
Be aware that Radeon HD 6770M Mac Edition is a notebook graphics card while Radeon X800 GTO is a desktop one.
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