ATI Mobility Radeon HD 3850 vs AMD Radeon 840M 2900MHz Full Specs
320 Shaders 580MHz | 256 Shaders 2.9GHz |
524MB GDDR3 placeholder | Shared Memory128GB/s · |
·· 371.2 GFLOPS | ·· 1.49 TFLOPS |
Form Factor MXM-II | Form Factor iGPU |
TDP 30W | TDP Shared |
Mobility Radeon HD 3850371.2 GFLOPSFP32
Radeon 840M 2900MHz2.97 TFLOPSFP16Clock Speed ·· | Clock Speed ··· |
Peak OPS 371.2 GFLOPSFP32 | Peak OPS 2.97 TFLOPSFP16 |
- | BF16 2.97 TFLOPS |
FP32 371.2 GFLOPS | FP32 1.49 TFLOPS |
FP64 74.24 GFLOPS | FP64 92.8 GFLOPS |
Pixel Rate 9.3 GPixel/s | Pixel Rate 92.8 GPixel/s |
Texture Rate 9.3 GTexel/s | Texture Rate 46.4 GTexel/s |
Shaders 320 Shaders | Shaders 256 Shaders |
TMUs 16 TMUs | TMUs 16 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
RT Cores - | RT Cores 4 RT-Cores |
CUs 4 CUs | CUs 4 CUs |
Base Clock - | Base Clock 1.5GHz |
Boost Clock 580MHz | Boost Clock 2.9GHz |
L2 Cache 256KB shared | L2 Cache - |
524MB GDDR3 placeholder | Shared Memory · |
Memory Bus - | Memory Bus 128-bit |
Memory Speed 1.5GT/s | Memory Speed 8GT/s |
Memory Bandwidth - | Memory Bandwidth 128GB/s |
TDP 30W | TDP Shared |
Multi-Monitor 2 | Multi-Monitor 4 |
HDCP - | HDCP HDCP 2.3 |
- | Encoder Model VCN 4.0 |
Decoder Model UVD 1.0 | Decoder Model VCN 4.0 |
Form Factor MXM-II | Form Factor iGPU |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Boom | Codename Strix Point |
Chip Variant RV670 Pro | Chip Variant - |
Market Segment Laptop | Market Segment Laptop |
Release Date Jun 4, 2008 | Release Date Jan 6, 2025 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 55nm | Fabrication Node N4P |
Die Size 192mm² | Die Size 233mm² |
Transistor Count 666 Million | Transistor Count 28 Billion |
Transistor Density 3.47 MTr/mm² | Transistor Density 120 MTr/mm² |
No images available
No images available
CPUs - | CPUs |
Laptops - | Laptops |