Radeon HD 7670M Rebrand vs ATI HD 4720
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) | TeraScale 2 (2009−2015) |
| GPU code name | RV730 | Whistler |
| Market segment | Desktop | Laptop |
| Release date | 11 December 2011 (14 years ago) | 1 July 2012 (13 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 | 320 | 480 |
| Core clock speed | 600 MHz | 600 MHz |
| Number of transistors | 514 million | 716 million |
| Manufacturing process technology | 55 nm | 40 nm |
| Power consumption (TDP) | 55 Watt | 20 Watt |
| Texture fill rate | 19.20 | 14.40 |
| Floating-point processing power | 0.384 TFLOPS | 0.576 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 32 | 24 |
| L1 Cache | 64 KB | 48 KB |
| L2 Cache | 128 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).
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | 193 mm | no data |
| Width | 1-slot | 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 | 1 GB | 1 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 667 MHz | 900 MHz |
| Memory bandwidth | 21.34 GB/s | 28.8 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 | 10.1 (10_1) | 11.2 (11_0) |
| Shader Model | 4.1 | 5.0 |
| OpenGL | 3.3 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 11 December 2011 | 1 July 2012 |
| Chip lithography | 55 nm | 40 nm |
| Power consumption (TDP) | 55 Watt | 20 Watt |
HD 7670M Rebrand has an age advantage of 6 months, a 37.5% more advanced lithography process, and 175% lower power consumption.
We couldn't decide between Radeon HD 4720 and Radeon HD 7670M Rebrand. We've got no test results to judge.
Be aware that Radeon HD 4720 is a desktop graphics card while Radeon HD 7670M Rebrand is a notebook one.
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