Quadro K4000 vs Radeon HD 6850
Aggregate performance score
We've compared Radeon HD 6850 with Quadro K4000, including specs and performance data.
K4000 outperforms HD 6850 by a considerable 41% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 710 | 630 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.90 | 0.25 |
| Power efficiency | 2.83 | 6.33 |
| Architecture | TeraScale 2 (2009−2015) | Kepler (2012−2018) |
| GPU code name | Barts | GK106 |
| Market segment | Desktop | Workstation |
| Design | reference | no data |
| Release date | 21 October 2010 (15 years ago) | 1 March 2013 (13 years ago) |
| Launch price (MSRP) | $179 | $1,269 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
HD 6850 has 260% better value for money than Quadro K4000.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 960 | 768 |
| Core clock speed | no data | 810 MHz |
| Number of transistors | 1,700 million | 2,540 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | 127 Watt | 80 Watt |
| Texture fill rate | 37.20 | 51.84 |
| Floating-point processing power | 1.488 TFLOPS | 1.244 TFLOPS |
| ROPs | 32 | 24 |
| TMUs | 48 | 64 |
| L1 Cache | 192 KB | 64 KB |
| L2 Cache | 512 KB | 384 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 | AGP | no data |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | 198 mm | 241 mm |
| Width | 2-slot | 1-slot |
| 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 | 1 GB | 3 GB |
| Memory bus width | 256 Bit | 192 Bit |
| Memory clock speed | no data | 1404 MHz |
| Memory bandwidth | 128.0 GB/s | 134.8 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 | 2x DVI, 1x HDMI, 2x mini-DisplayPort | 1x DVI, 2x DisplayPort |
| Eyefinity | + | - |
| HDMI | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (11_0) |
| Shader Model | 5.0 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | - | + |
| CUDA | - | 3.0 |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 4.63 | 6.53 |
| Recency | 21 October 2010 | 1 March 2013 |
| Maximum RAM amount | 1 GB | 3 GB |
| Chip lithography | 40 nm | 28 nm |
| Power consumption (TDP) | 127 Watt | 80 Watt |
Quadro K4000 has a 41% higher aggregate performance score, an age advantage of 2 years, a 200% higher maximum VRAM amount, a 30% more advanced lithography process, and 37% lower power consumption.
The Quadro K4000 is our recommended choice as it beats the Radeon HD 6850 in performance tests.
Be aware that Radeon HD 6850 is a desktop graphics card while Quadro K4000 is a workstation one.
Other comparisons
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