GeForce GT 420 OEM vs FirePro V7900
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 651 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.75 | no data |
| Architecture | TeraScale 3 (2010−2013) | Fermi (2010−2014) |
| GPU code name | Cayman | GF108 |
| Market segment | Workstation | Desktop |
| Release date | 24 May 2011 (14 years ago) | 3 September 2010 (15 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 | 1280 | 48 |
| Core clock speed | 725 MHz | 700 MHz |
| Number of transistors | 2,640 million | 585 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 151 Watt | 50 Watt |
| Texture fill rate | 58.00 | 2.800 |
| Floating-point processing power | 1.856 TFLOPS | 0.1344 TFLOPS |
| ROPs | 32 | 4 |
| TMUs | 80 | 4 |
| L1 Cache | 320 KB | 64 KB |
| L2 Cache | 512 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).
| Bus support | PCIe 2.1 x16 | no data |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | 279 mm | 145 mm |
| Width | 1-slot | 1-slot |
| Form factor | full height / full length | no data |
| Supplementary power connectors | 1x 6-pin | None |
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 | DDR3 |
| Maximum RAM amount | 2 GB | 1 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 1250 MHz | 900 MHz |
| Memory bandwidth | 160 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 | 4x DisplayPort | 1x DVI, 1x HDMI, 1x VGA |
| HDMI | - | + |
| StereoOutput3D | + | - |
| DisplayPort count | 4 | no data |
| Dual-link DVI support | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 (11_0) |
| Shader Model | 5.0 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | 2.1 |
Pros & cons summary
| Recency | 24 May 2011 | 3 September 2010 |
| Maximum RAM amount | 2 GB | 1 GB |
| Power consumption (TDP) | 151 Watt | 50 Watt |
FirePro V7900 has an age advantage of 8 months, and a 100% higher maximum VRAM amount.
GT 420 OEM, on the other hand, has 202% lower power consumption.
We couldn't decide between FirePro V7900 and GeForce GT 420 OEM. We've got no test results to judge.
Be aware that FirePro V7900 is a workstation graphics card while GeForce GT 420 OEM is a desktop one.
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