ATI Radeon HD 4870 Mac Edition vs HD 6470M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 1212 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Terascale 2 (2009−2015) | TeraScale (2005−2013) |
| GPU code name | Seymour XT | RV770 |
| Market segment | Laptop | Desktop |
| Release date | 6 January 2011 (13 years ago) | 6 January 2009 (15 years ago) |
| Launch price (MSRP) | $569.99 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 160 | 800 |
| Core clock speed | 700 / 750 MHz | 750 MHz |
| Number of transistors | 370 million | 956 million |
| Manufacturing process technology | 40 nm | 55 nm |
| Power consumption (TDP) | no data | 150 Watt |
| Texture fill rate | 5.600 | 30.00 |
| Floating-point performance | 0.224 gflops | 1.2 gflops |
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 2.0 x16 |
| Length | no data | 250 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 6-pin |
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 | DDR3 | GDDR5 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 800 MHz | 3400 MHz |
| Memory bandwidth | 12.8 GB/s | 108.8 GB/s |
| Shared memory | - | - |
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 | No outputs | 1x DVI, 1x mini-DisplayPort |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
| Shader Model | 5.0 | 4.1 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 6 January 2011 | 6 January 2009 |
| Maximum RAM amount | 1 GB | 512 MB |
| Chip lithography | 40 nm | 55 nm |
HD 6470M has an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 37.5% more advanced lithography process.
We couldn't decide between Radeon HD 6470M and Radeon HD 4870 Mac Edition. We've got no test results to judge.
Be aware that Radeon HD 6470M is a notebook card while Radeon HD 4870 Mac Edition is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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