GeForce 820A vs ATI FireGL V8650
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 1049 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 6.79 |
| Architecture | TeraScale (2005−2013) | Fermi 2.0 (2010−2014) |
| GPU code name | R600 | GF117 |
| Market segment | Workstation | Laptop |
| Release date | 14 May 2007 (18 years ago) | 17 March 2014 (11 years ago) |
| Launch price (MSRP) | $2,799 | no data |
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 | 96 |
| Core clock speed | 688 MHz | 775 MHz |
| Number of transistors | 720 million | 585 million |
| Manufacturing process technology | 80 nm | 28 nm |
| Power consumption (TDP) | no data | 15 Watt |
| Texture fill rate | 11.01 | 12.40 |
| Floating-point processing power | 0.4403 TFLOPS | 0.2976 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 16 | 16 |
| L1 Cache | no data | 128 KB |
| L2 Cache | 256 KB | 128 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 1.0 x16 | PCIe 2.0 x16 |
| Length | 254 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | 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 | GDDR4 | DDR3 |
| Maximum RAM amount | 2 GB | 1 GB |
| Memory bus width | 512 Bit | 64 Bit |
| Memory clock speed | 868 MHz | 900 MHz |
| Memory bandwidth | 111.1 GB/s | 14.4 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 | 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 | 10.0 (10_0) | 12 (11_0) |
| Shader Model | 4.0 | 5.1 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | 2.1 |
Pros & cons summary
| Recency | 14 May 2007 | 17 March 2014 |
| Maximum RAM amount | 2 GB | 1 GB |
| Chip lithography | 80 nm | 28 nm |
ATI FireGL V8650 has a 100% higher maximum VRAM amount.
GeForce 820A, on the other hand, has an age advantage of 6 years, and a 185.7% more advanced lithography process.
We couldn't decide between FireGL V8650 and GeForce 820A. We've got no test results to judge.
Be aware that FireGL V8650 is a workstation graphics card while GeForce 820A is a notebook one.
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