Radeon RX 6900 vs Iris Pro Graphics P6300
Aggregate performance score
We've compared Iris Pro Graphics P6300 and Radeon RX 6900, covering specs and all relevant benchmarks.
RX 6900 outperforms Pro Graphics P6300 by a whopping 1589% 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 | 761 | 35 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 19.37 | 19.25 |
| Architecture | Generation 8.0 (2014−2015) | RDNA 2.0 (2020−2025) |
| GPU code name | Broadwell GT3e | Navi 21 |
| Market segment | Desktop | Desktop |
| Release date | 5 September 2014 (11 years ago) | 28 October 2020 (5 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 | 384 | 4608 |
| Core clock speed | 300 MHz | no data |
| Boost clock speed | 800 MHz | 2105 MHz |
| Number of transistors | 189 million | 23,000 million |
| Manufacturing process technology | 14 nm | 7 nm |
| Power consumption (TDP) | 15 Watt | 255 Watt |
| Texture fill rate | 38.40 | 606.2 |
| Floating-point processing power | 0.6144 TFLOPS | 19.4 TFLOPS |
| ROPs | 6 | 64 |
| TMUs | 48 | 288 |
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 | IGP | PCIe 4.0 x16 |
| Width | IGP | 2-slot |
| Supplementary power connectors | no data | 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 | System Shared | GDDR6 |
| Maximum RAM amount | System Shared | 16 GB |
| Memory bus width | System Shared | 256 Bit |
| Memory clock speed | System Shared | 16 GB/s |
| Memory bandwidth | no data | 512.0 GB/s |
| Shared memory | + | - |
| Resizable BAR | - | + |
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 | 1x HDMI, 2x DisplayPort, 1x USB Type-C |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.1.80 | 1.2 |
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 | 3.78 | 63.83 |
| Recency | 5 September 2014 | 28 October 2020 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 15 Watt | 255 Watt |
Iris Pro Graphics P6300 has 1600% lower power consumption.
RX 6900, on the other hand, has a 1588.6% higher aggregate performance score, an age advantage of 6 years, and a 100% more advanced lithography process.
The Radeon RX 6900 is our recommended choice as it beats the Iris Pro Graphics P6300 in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
