AMD Radeon R5 4CU 757MHz GCN 2 vs AMD Radeon 840M 2900MHz Full Specs
256 Shaders 757MHz | 256 Shaders 2.9GHz |
Shared Memory29.9GB/sDDR3 | Shared Memory128GB/s · |
·· 387.6 GFLOPS | ·· 1.49 TFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
Radeon R5 4CU 757MHz GCN 2387.6 GFLOPSFP16
Radeon 840M 2900MHz2.97 TFLOPSFP16Clock Speed ·· | Clock Speed ··· |
Peak OPS 387.6 GFLOPSFP16 | Peak OPS 2.97 TFLOPSFP16 |
- | BF16 2.97 TFLOPS |
FP32 387.6 GFLOPS | FP32 1.49 TFLOPS |
FP64 24.22 GFLOPS | FP64 92.8 GFLOPS |
Pixel Rate 6.1 GPixel/s | Pixel Rate 92.8 GPixel/s |
Texture Rate 12.1 GTexel/s | Texture Rate 46.4 GTexel/s |
Shaders 256 Shaders | Shaders 256 Shaders |
TMUs 16 TMUs | TMUs 16 TMUs |
ROPs 8 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 757MHz | Boost Clock 2.9GHz |
L2 Cache 128KB shared | L2 Cache - |
Shared MemoryDDR3 | Shared Memory · |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 1.9GT/s | Memory Speed 8GT/s |
Memory Bandwidth 29.9GB/s | Memory Bandwidth 128GB/s |
Multi-Monitor 3 | Multi-Monitor 4 |
HDCP - | HDCP HDCP 2.3 |
Encoder Model VCE 2.0 | Encoder Model VCN 4.0 |
Decoder Model UVD 4.2 | Decoder Model VCN 4.0 |
Form Factor iGPU | Form Factor iGPU |
Foundry GlobalFoundries | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node N4P |
Die Size 245mm² | Die Size 233mm² |
Transistor Count 2.4 Billion | Transistor Count 28 Billion |
Transistor Density 10 MTr/mm² | Transistor Density 120 MTr/mm² |
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CPUs | CPUs |
Laptops - | Laptops |