Quadro Plex 1000 Model IV vs Radeon HD 6850 X2
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 545 | 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 | G80 |
| Market segment | Desktop | Workstation |
| Release date | 19 September 2011 (12 years ago) | 25 July 2008 (16 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 | 960 | 128 |
| Core clock speed | 800 MHz | 600 MHz |
| Number of transistors | 1,700 million | 681 million |
| Manufacturing process technology | 40 nm | 90 nm |
| Power consumption (TDP) | 254 Watt | 320 Watt |
| Texture fill rate | 38.40 | 38.40 |
| Floating-point performance | 2x 1,536.0 gflops | 2x 345.6 gflops |
| Floating-point performance | 1.536 gflops | 0.3456 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 | PCIe 1.0 x16 |
| Length | no data | 522 mm |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 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 | GDDR5 | GDDR3 |
| Maximum RAM amount | 2 GB | 1536 MB |
| Memory bus width | 256 Bit | 384 Bit |
| Memory clock speed | 4200 MHz | 1600 MHz |
| Memory bandwidth | 134.4 GB/s | 76.8 GB/s |
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 | No outputs |
| 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 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | + |
Pros & cons summary
| Recency | 19 September 2011 | 25 July 2008 |
| Maximum RAM amount | 2 GB | 1536 MB |
| Chip lithography | 40 nm | 90 nm |
| Power consumption (TDP) | 254 Watt | 320 Watt |
HD 6850 X2 has an age advantage of 3 years, a 33.3% higher maximum VRAM amount, a 125% more advanced lithography process, and 26% lower power consumption.
We couldn't decide between Radeon HD 6850 X2 and Quadro Plex 1000 Model IV. We've got no test results to judge.
Be aware that Radeon HD 6850 X2 is a desktop card while Quadro Plex 1000 Model IV is a workstation one.
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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