AMD Radeon 840M 2900MHz vs AMD Radeon R5 4CU 800MHz GCN 3 Full Specs
256 Shaders 2.9GHz | 256 Shaders 800MHz |
Shared Memory128GB/s · | Shared Memory38.4GB/s · |
·· 1.49 TFLOPS | ·· 409.6 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
Radeon 840M 2900MHz2.97 TFLOPSFP16
Radeon R5 4CU 800MHz GCN 3409.6 GFLOPSFP16Clock Speed ··· | Clock Speed ·· |
Peak OPS 2.97 TFLOPSFP16 | Peak OPS 409.6 GFLOPSFP16 |
BF16 2.97 TFLOPS | - |
FP32 1.49 TFLOPS | FP32 409.6 GFLOPS |
FP64 92.8 GFLOPS | FP64 25.6 GFLOPS |
Pixel Rate 92.8 GPixel/s | Pixel Rate 6.4 GPixel/s |
Texture Rate 46.4 GTexel/s | Texture Rate 12.8 GTexel/s |
Shaders 256 Shaders | Shaders 256 Shaders |
TMUs 16 TMUs | TMUs 16 TMUs |
ROPs 32 ROPs | ROPs 8 ROPs |
RT Cores 4 RT-Cores | RT Cores - |
CUs 4 CUs | CUs 4 CUs |
Base Clock 1.5GHz | Base Clock - |
Boost Clock 2.9GHz | Boost Clock 800MHz |
L2 Cache - | L2 Cache 256KB shared |
Shared Memory · | Shared Memory · |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 8GT/s | Memory Speed 2.4GT/s |
Memory Bandwidth 128GB/s | Memory Bandwidth 38.4GB/s |
Multi-Monitor 4 | Multi-Monitor 3 |
HDCP HDCP 2.3 | HDCP - |
Encoder Model VCN 4.0 | Encoder Model VCE 3.1 |
Decoder Model VCN 4.0 | Decoder Model UVD 6.0 |
Form Factor iGPU | Form Factor iGPU |
Foundry TSMC | Foundry GlobalFoundries |
Fabrication Node N4P | Fabrication Node 28nm |
Die Size 233mm² | Die Size 125mm² |
Transistor Count 28 Billion | Transistor Count 1.2 Billion |
Transistor Density 120 MTr/mm² | Transistor Density 10 MTr/mm² |
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CPUs | CPUs |
Laptops | Laptops - |