GeForce 8100 + nForce 720a vs Radeon HD 7720 OEM
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | TeraScale 2 (2009−2015) | Tesla (2006−2010) |
| GPU code name | Barts | C78 |
| Market segment | Desktop | Desktop |
| Release date | 15 March 2013 (11 years ago) | 17 April 2007 (17 years ago) |
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 | 800 | 16 |
| Core clock speed | 840 MHz | 500 MHz |
| Number of transistors | 1,700 million | 210 million |
| Manufacturing process technology | 40 nm | 80 nm |
| Power consumption (TDP) | 150 Watt | 40 Watt |
| Texture fill rate | 33.60 | 4.000 |
| Floating-point performance | 1.344 gflops | 0.0384 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 | PCI |
| Length | 198 mm | no data |
| Width | 2-slot | 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 | GDDR5 | System Shared |
| Maximum RAM amount | 1 GB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 4200 MHz | System Shared |
| Memory bandwidth | 134.4 GB/s | no data |
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 | 2x DVI, 1x HDMI, 1x DisplayPort | 1x DVI, 1x VGA, 1x S-Video |
| HDMI | + | - |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
| Shader Model | 5.0 | 4.0 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 15 March 2013 | 17 April 2007 |
| Chip lithography | 40 nm | 80 nm |
| Power consumption (TDP) | 150 Watt | 40 Watt |
HD 7720 OEM has an age advantage of 5 years, and a 100% more advanced lithography process.
8100 + nForce 720a, on the other hand, has 275% lower power consumption.
We couldn't decide between Radeon HD 7720 OEM and GeForce 8100 + nForce 720a. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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