Arc 7 A770M vs ATI Mobility Radeon HD 4850 Mac Edition
Contents
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 | TeraScale (2005−2013) | Generation 12.7 (2022−2023) |
| GPU code name | M98 | DG2-512 |
| Market segment | Laptop | Desktop |
| Release date | 28 August 2009 (16 years ago) | 2022 (4 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 | 800 | 4096 |
| Core clock speed | 503 MHz | no data |
| Boost clock speed | no data | 1650 MHz |
| Number of transistors | 956 million | 21,700 million |
| Manufacturing process technology | 55 nm | 6 nm |
| Power consumption (TDP) | no data | 120 Watt |
| Texture fill rate | 20.12 | 422.4 |
| Floating-point processing power | 0.8048 TFLOPS | 13.52 TFLOPS |
| ROPs | 16 | 128 |
| TMUs | 40 | 256 |
| L1 Cache | 160 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 | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Width | no data | IGP |
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 | GDDR6 |
| Maximum RAM amount | 512 MB | 16 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 850 MHz | 12 GB/s |
| Memory bandwidth | 54.4 GB/s | 384.0 GB/s |
| Resizable BAR | - | + |
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 | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 Ultimate (12_2) |
| Shader Model | 4.1 | 6.6 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | N/A | 1.3 |
Pros & cons summary
| Maximum RAM amount | 512 MB | 16 GB |
| Chip lithography | 55 nm | 6 nm |
Arc 7 A770M has a 3100% higher maximum VRAM amount, and a 817% more advanced lithography process.
We couldn't decide between Mobility Radeon HD 4850 Mac Edition and Arc 7 A770M. We've got no test results to judge.
Be aware that Mobility Radeon HD 4850 Mac Edition is a notebook graphics card while Arc 7 A770M is a desktop one.
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