PowerVR GX6850 A8X
Radeon HD 8240
Imagination PowerVR GX6850 A8X vs AMD Radeon HD 8240 Full Specs
256 Shaders 475MHz | 128 Shaders 400MHz |
Shared Memory25.6GB/sLPDDR3 | Shared Memory12.8GB/sDDR3 |
·· 243.2 GFLOPS | ·· 102.4 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
PowerVR GX6850 A8X486.4 GFLOPSFP16
Radeon HD 8240102.4 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 486.4 GFLOPSFP16 | Peak OPS 102.4 GFLOPSFP32 |
FP32 243.2 GFLOPS | FP32 102.4 GFLOPS |
FP64 15.2 GFLOPS | FP64 6.4 GFLOPS |
Pixel Rate 7.6 GPixel/s | Pixel Rate 1.6 GPixel/s |
Texture Rate 7.6 GTexel/s | Texture Rate 3.2 GTexel/s |
Shaders 256 Shaders | Shaders 128 Shaders |
TMUs 16 TMUs | TMUs 8 TMUs |
ROPs 16 ROPs | ROPs 4 ROPs |
EUs 16 EUs | CUs 2 CUs |
Boost Clock 475MHz | Boost Clock 400MHz |
L1 - | L1 16KB/CU |
L2 Cache - | L2 Cache 64KB shared |
Shared MemoryLPDDR3 | Shared MemoryDDR3 |
Memory Bus 128-bit | Memory Bus 64-bit |
Memory Speed 1.6GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 12.8GB/s |
ECC No | ECC No |
Max Resolution 2048x1536 | Max Resolution 4096x2160 |
Refresh Rate Calculator 1920x1080 Resolution1080p FHD Refresh Rate 91Hz | Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz |
Multi-Monitor 1 | Multi-Monitor 3 |
DSC Not Supported | DSC Not Supported |
Shader Model - | Shader Model 6.5 |
DirectX DirectX 10Direct3D 10_0 | DirectX DirectX 12Direct3D 12_0 |
OpenGL 3.3OpenCL 1.2Vulkan 1.1 | OpenGL 4.6OpenCL 2.1Vulkan 1.2 |
- | GFX 7 |
- | Encoder VCE 2.0 |
Codec - | Codec AVC (H.264) |
- | Decoder UVD 4.2 |
Codec - | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) |
Form Factor iGPU | Form Factor iGPU |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Series6XT | Codename Kalindi |
Chip Variant GXA6850 | Chip Variant Kalindi LP |
Market Segment Tablet | Market Segment Laptop |
Release Date Oct 22, 2014 | Release Date Nov 23, 2013 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 20nm | Fabrication Node 28nm |
Die Size 128mm² | Die Size 107mm² |
Transistor Count 3B | Transistor Count 914M |
Transistor Density 23 MTr/mm² | Transistor Density 9 MTr/mm² |