Radeon RX 6800 Red Dragon
Radeon RX 6800 XT Speedster MERC 319
PowerColor Radeon RX 6800 Red Dragon vs XFX Radeon RX 6800 XT Speedster MERC 319 Full Specs
3,840 Shaders 2.17GHz | 4,608 Shaders 2.25GHz |
16GB GDDR6512GB/s | 16GB GDDR6512GB/s |
·· 16.67 TFLOPS | ·· 20.74 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 250W | TDP 300W |
Power Connectors 2x 8-Pin | Power Connectors 2x 8-Pin |
Radeon RX 6800 Red Dragon33.33 TFLOPSFP16
Radeon RX 6800 XT Speedster MERC 31941.47 TFLOPSFP16Clock Speed ··· | Clock Speed ··· |
Peak OPS 33.33 TFLOPSFP16 | Peak OPS 41.47 TFLOPSFP16 |
FP32 16.67 TFLOPS | FP32 20.74 TFLOPS |
FP64 1.04 TFLOPS | FP64 1.3 TFLOPS |
Pixel Rate 208.3 GPixel/s | Pixel Rate 288 GPixel/s |
Texture Rate 520.8 GTexel/s | Texture Rate 648 GTexel/s |
Shaders 3,840 Shaders | Shaders 4,608 Shaders |
TMUs 240 TMUs | TMUs 288 TMUs |
ROPs 96 ROPs | ROPs 128 ROPs |
RT Cores 60 RT-Cores | RT Cores 72 RT-Cores |
CUs 60 CUs | CUs 72 CUs |
Base Clock 1.85GHz | Base Clock 1.82GHz |
Boost Clock 2.17GHz | Boost Clock 2.25GHz |
L0 Cache 32KB/WGP | L0 Cache 32KB/WGP |
L1 128KB/Array | L1 128KB/Array |
L2 Cache 4MB shared | L2 Cache 4MB shared |
L3 Cache 128MB shared | L3 Cache 128MB shared |
L3 Bandwidth 1.66TB/s | L3 Bandwidth 1.66TB/s |
16GB GDDR6 | 16GB GDDR6 |
Memory Bus 256-bit | Memory Bus 256-bit |
Memory Speed 16GT/s | Memory Speed 16GT/s |
Memory Bandwidth 512GB/s | Memory Bandwidth 512GB/s |
ECC No | ECC No |
TDP 250W | TDP 300W |
Max Temp 110°C Max | Max Temp 110°C Max |
Max Resolution 7680x4320 | Max Resolution 7680x4320 |
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz | Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz |
Multi-Monitor 4 | Multi-Monitor 4 |
Adaptive Sync FreeSync | Adaptive Sync FreeSync |
DSC Supported | DSC Supported |
HDCP HDCP 2.3 | HDCP HDCP 2.3 |
3x DisplayPort 1.4 1x HDMI 2.1 | 3x DisplayPort 1.4 1x HDMI 2.1 |
Shader Model 6.5 | Shader Model 6.5 |
DirectX DirectX 12Direct3D 12_2 | DirectX DirectX 12Direct3D 12_2 |
OpenGL 4.6OpenCL 2.1Vulkan 1.2 | OpenGL 4.6OpenCL 2.1Vulkan 1.2 |
GFX 10.3 | GFX 10.3 |
Encoder VCN 3.0 | Encoder VCN 3.0 |
Codec AVC (H.264) HEVC (H.265) | Codec AVC (H.264) HEVC (H.265) |
Decoder VCN 3.0 | Decoder VCN 3.0 |
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1 | Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe PCIe 4.0 x16 2.7-Slots | PCIe PCIe 4.0 x16 2.7-Slots |
Height 135mm (5.32")Width 310mm (12.2")Depth 54mm (2.13") | Height 138mm (5.43")Width 340mm (13.39")Depth 54mm (2.13") |
Cooling Open-Air 3x Fans | Cooling Open-Air 3x Fans |
Power Connectors 2x 8-Pin | Power Connectors 2x 8-Pin |
Multi-GPU Multi-GPU Support SupportedMulti-GPU Type Bridgeless | Multi-GPU Multi-GPU Support SupportedMulti-GPU Type Bridgeless |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Sienna Cichlid | Codename Sienna Cichlid |
Chip Variant Navi 21 XL | Chip Variant Navi 21 XL |
Market Segment Desktop | Market Segment Desktop |
Release Date Nov 18, 2020 | Release Date Nov 18, 2020 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N7 | Fabrication Node N7 |
Die Size 520mm² | Die Size 520mm² |
Transistor Count 26.8B | Transistor Count 26.8B |
Transistor Density 51.56 MTr/mm² | Transistor Density 51.56 MTr/mm² |