Qualcomm Adreno 640+ vs Sapphire Radeon RX 6900 XT Nitro+ Full Specs
768 Shaders 675MHz | 5,120 Shaders 2.29GHz |
Shared Memory34.1GB/sLPDDR4X | 16GB GDDR6512GB/s placeholder |
·· 1.04 TFLOPS | ·· 23.4 TFLOPS |
Form Factor iGPU | Form Factor PCIe Card |
TDP 5W | TDP 340W |
Power Connectors - | Power Connectors 2x 8-Pin |
Clock Speed ·· | Clock Speed ··· |
Peak OPS 2.07 TFLOPSFP16 | Peak OPS 46.8 TFLOPSFP16 |
FP32 1.04 TFLOPS | FP32 23.4 TFLOPS |
FP64 259.2 GFLOPS | FP64 1.46 TFLOPS |
Pixel Rate 16.2 GPixel/s | Pixel Rate 292.5 GPixel/s |
Texture Rate 32.4 GTexel/s | Texture Rate 731.2 GTexel/s |
Shaders 768 Shaders | Shaders 5,120 Shaders |
TMUs 48 TMUs | TMUs 320 TMUs |
ROPs 24 ROPs | ROPs 128 ROPs |
RT Cores - | RT Cores 80 RT-Cores |
EUs 6 EUs | CUs 80 CUs |
Base Clock - | Base Clock 1.82GHz |
Boost Clock 675MHz | Boost Clock 2.29GHz |
L0 Cache - | L0 Cache 32KB/WGP |
L1 8KB/CU | L1 128KB/Array |
L2 Cache 128KB shared | L2 Cache 4MB shared |
L3 Cache 2MB shared | L3 Cache 128MB shared |
L3 Bandwidth - | L3 Bandwidth 1.66TB/s |
Shared MemoryLPDDR4X | 16GB GDDR6 placeholder |
Memory Bus 64-bit | Memory Bus 256-bit |
Memory Speed 4.3GT/s | Memory Speed 16GT/s |
Memory Bandwidth 34.1GB/s | Memory Bandwidth 512GB/s |
ECC No | ECC No |
TDP 5W | TDP 340W |
Max Temp - | Max Temp 110°C Max |
Max Resolution 2520x1080 | Max Resolution 7680x4320 |
Refresh Rate Calculator 1920x1080 Resolution1080p FHD Refresh Rate 78Hz | Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz |
Multi-Monitor 1 | Multi-Monitor 4 |
Adaptive Sync - | Adaptive Sync FreeSync |
DSC Not Supported | DSC Supported |
HDCP - | HDCP HDCP 2.3 |
- | 3x DisplayPort 1.4 1x HDMI 2.1 |
Shader Model - | Shader Model 6.5 |
DirectX DirectX 12Direct3D 12_1 | DirectX DirectX 12Direct3D 12_2 |
OpenGL 3.2OpenCL 2Vulkan 1.1 | OpenGL 4.6OpenCL 2.1Vulkan 1.2 |
- | GFX 10.3 |
Encoder Hexagon 690 | Encoder VCN 3.0 |
Codec H.263 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) | Codec - - - - - AVC (H.264) HEVC (H.265) |
Decoder Hexagon 690 | Decoder VCN 3.0 |
Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) - | Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1 |
Form Factor iGPU | Form Factor PCIe Card |
PCIe - | PCIe PCIe 4.0 x16 2.7-Slots |
- | Height 134.3mm (5.29")Width 310mm (12.2")Depth 55.3mm (2.18") |
Cooling Open-Air - | Cooling Open-Air 3x Fans |
Power Connectors - | Power Connectors 2x 8-Pin |
Multi-GPU - | Multi-GPU Multi-GPU Support SupportedMulti-GPU Type Bridgeless |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename - | Codename Sienna Cichlid |
Chip Variant - | Chip Variant Navi 21 XL |
Market Segment Smartphone | Market Segment Desktop |
Release Date Jul 9, 2019 | Release Date Dec 8, 2020 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N7 | Fabrication Node N7 |
Die Size - | Die Size 520mm² |
Transistor Count - | Transistor Count 26.8B |
Transistor Density - | Transistor Density 51.56 MTr/mm² |





