Radeon RX Vega 64 Nano vs HD 6850 X2
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 628 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.83 | no data |
| Architecture | TeraScale 2 (2009−2015) | GCN 5.0 (2017−2020) |
| GPU code name | Barts | Vega 10 |
| Market segment | Desktop | Desktop |
| Release date | 19 September 2011 (14 years ago) | 1 October 2017 (8 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 | 960 ×2 | 4096 |
| Core clock speed | 800 MHz | 1156 MHz |
| Boost clock speed | no data | 1247 MHz |
| Number of transistors | 1,700 million | 12,500 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Power consumption (TDP) | 254 Watt | 250 Watt |
| Texture fill rate | 38.40 ×2 | 319.2 |
| Floating-point processing power | 1.536 TFLOPS ×2 | no data |
| ROPs | 32 ×2 | 64 |
| TMUs | 48 ×2 | 256 |
| L1 Cache | 192 KB | no data |
| L2 Cache | 512 KB | no data |
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 3.0 x16 |
| Length | no data | 152 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2x 8-pin | 2x 8-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 | HBM2 |
| Maximum RAM amount | 2 GB ×2 | 8 GB |
| Memory bus width | 256 Bit ×2 | 2048 Bit |
| Memory clock speed | 1050 MHz | 1600 MHz |
| Memory bandwidth | 134.4 GB/s ×2 | 409.6 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, 1x DisplayPort | 1x HDMI, 3x DisplayPort |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12.0 |
| Shader Model | 5.0 | 5.0 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | - |
Pros & cons summary
| Recency | 19 September 2011 | 1 October 2017 |
| Maximum RAM amount | 2 GB | 8 GB |
| Chip lithography | 40 nm | 14 nm |
| Power consumption (TDP) | 254 Watt | 250 Watt |
RX Vega 64 Nano has an age advantage of 6 years, a 300% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 1.6% lower power consumption.
We couldn't decide between Radeon HD 6850 X2 and Radeon RX Vega 64 Nano. We've got no test results to judge.
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