Radeon RX 6800M vs RX Vega 64 Limited Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 192 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 16.83 |
| Architecture | GCN 5.0 (2017−2020) | RDNA 2.0 (2020−2025) |
| GPU code name | Vega 10 | Navi 22 |
| Market segment | Desktop | Laptop |
| Release date | 7 August 2017 (8 years ago) | 31 May 2021 (4 years ago) |
| Launch price (MSRP) | $549 | no data |
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 | 4096 | 2560 |
| Core clock speed | 1200 MHz | 2116 MHz |
| Boost clock speed | 1536 MHz | 2390 MHz |
| Number of transistors | 12,500 million | 17,200 million |
| Manufacturing process technology | 14 nm | 7 nm |
| Power consumption (TDP) | 295 Watt | 145 Watt |
| Texture fill rate | 393.2 | 382.4 |
| Floating-point processing power | 12.58 TFLOPS | 12.24 TFLOPS |
| ROPs | 64 | 64 |
| TMUs | 256 | 160 |
| Ray Tracing Cores | no data | 40 |
| L0 Cache | no data | 640 KB |
| L1 Cache | 1 MB | 512 KB |
| L2 Cache | 4 MB | 3 MB |
| L3 Cache | no data | 96 MB |
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).
| Laptop size | no data | large |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Length | 282 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 8-pin | None |
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 | HBM2 | GDDR6 |
| Maximum RAM amount | 8 GB | 12 GB |
| Memory bus width | 2048 Bit | 192 Bit |
| Memory clock speed | 945 MHz | 2000 MHz |
| Memory bandwidth | 483.8 GB/s | 384.0 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 | 1x HDMI, 3x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.4 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.1.125 | 1.3 |
Pros & cons summary
| Recency | 7 August 2017 | 31 May 2021 |
| Maximum RAM amount | 8 GB | 12 GB |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 295 Watt | 145 Watt |
RX 6800M has an age advantage of 3 years, a 50% higher maximum VRAM amount, a 100% more advanced lithography process, and 103.4% lower power consumption.
We couldn't decide between Radeon RX Vega 64 Limited Edition and Radeon RX 6800M. We've got no test results to judge.
Be aware that Radeon RX Vega 64 Limited Edition is a desktop graphics card while Radeon RX 6800M is a notebook one.
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