AMD Radeon 840M 2900MHz vs AMD Radeon R5 4CU 756MHz GCN 2 Full Specs

Summary

256 Shaders 2.9GHz	256 Shaders 756MHz
Shared Memory128GB/s LPDDR5X·DDR5	Shared Memory29.9GB/sDDR3
Peak·FP32·FP16 1.49 TFLOPS	Peak·FP32·FP16 387.1 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 BF16 Memory Bandwidth

Radeon 840M 2900MHz2.97 TFLOPSFP16

x7.67

Radeon R5 4CU 756MHz GCN 2387.1 GFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2900MHz UC·Base·Boost·OC	Clock Speed756MHz UC·Boost·OC
Peak OPS 2.97 TFLOPSFP16	Peak OPS 387.1 GFLOPSFP16
BF16 2.97 TFLOPS	-
FP32 1.49 TFLOPS	FP32 387.1 GFLOPS
FP64 92.8 GFLOPS	FP64 24.19 GFLOPS
Pixel Rate 92.8 GPixel/s	Pixel Rate 6 GPixel/s
Texture Rate 46.4 GTexel/s	Texture Rate 12.1 GTexel/s

Core Config

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

Clocks

Base Clock 1.5GHz	Base Clock -
Boost Clock 2.9GHz	Boost Clock 756MHz

Cache

L2 Cache -

L2 Cache 128KB shared

Memory

Shared Memory LPDDR5X·DDR5	Shared MemoryDDR3
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 8GT/s	Memory Speed 1.9GT/s
Memory Bandwidth 128GB/s	Memory Bandwidth 29.9GB/s

Video Output

Multi-Monitor 4	Multi-Monitor 3
HDCP HDCP 2.3	HDCP -

Encoder

Encoder Model VCN 4.0

Encoder Model VCE 2.0

Decoder

Decoder Model VCN 4.0

Decoder Model UVD 4.2

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3.5	Architecture GCN 2
Family 800	Family GCN 2
Branding	Branding
Codename Strix Point	Codename Spectre
Chip Variant -	Chip Variant Spectre SL
Market Segment Laptop	Market Segment Laptop
Release Date Jan 6, 2025	Release Date Jul 31, 2014

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node N4P	Fabrication Node 28nm
Die Size 233mm²	Die Size 245mm²
Transistor Count 28 Billion	Transistor Count 2.4 Billion
Transistor Density 120 MTr/mm²	Transistor Density 10 MTr/mm²

Images

No images available

No images available

Used In

CPUs Ryzen AI 5 340 Ryzen AI 5 PRO 340	CPUs A6 PRO-7400B A6-7400K
Laptops Framework 13(Early 2025)	Laptops -

Competitors

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