FirePro V7900 SDI vs Radeon R9 255 OEM
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 | GCN 1.0 (2012−2020) | TeraScale 3 (2010−2013) |
| GPU code name | Cape Verde | Cayman |
| Market segment | Desktop | Workstation |
| Release date | 21 December 2013 (11 years ago) | 24 May 2011 (14 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 | 512 | 1280 |
| Core clock speed | 900 MHz | 725 MHz |
| Boost clock speed | 930 MHz | no data |
| Number of transistors | 1,500 million | 2,640 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 65 Watt | 224 Watt |
| Texture fill rate | 29.76 | 58.00 |
| Floating-point processing power | 0.9523 TFLOPS | 1.856 TFLOPS |
| ROPs | 16 | 32 |
| TMUs | 32 | 80 |
| L1 Cache | 128 KB | 320 KB |
| L2 Cache | 256 KB | 512 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 | no data | PCIe 2.1 x16 |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | no data | 279 mm |
| Width | 2-slot | 1-slot |
| Form factor | no data | full height / full length |
| Supplementary power connectors | 1x 6-pin | 1x 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 1150 MHz | 1250 MHz |
| Memory bandwidth | 73.6 GB/s | 160 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 | No outputs | 4x SDI |
| StereoOutput3D | - | + |
| DisplayPort count | no data | 4 |
| Dual-link DVI support | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | N/A |
Pros & cons summary
| Recency | 21 December 2013 | 24 May 2011 |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 65 Watt | 224 Watt |
R9 255 OEM has an age advantage of 2 years, a 42.9% more advanced lithography process, and 244.6% lower power consumption.
We couldn't decide between Radeon R9 255 OEM and FirePro V7900 SDI. We've got no test results to judge.
Be aware that Radeon R9 255 OEM is a desktop graphics card while FirePro V7900 SDI is a workstation one.
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