AMD Radeon 740M 2800MHz vs AMD Radeon 840M 2900MHz Full Specs

Summary

256 Shaders 2.8GHz	256 Shaders 2.9GHz
Shared Memory120GB/s LPDDR5X·DDR5	Shared Memory136.5GB/s LPDDR5X·DDR5
Peak·FP32·FP16 2.87 TFLOPS	Peak·FP32·FP16 2.97 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-32 FP64 BF16 Tensor BF16 Tensor INT8 Memory Bandwidth

Radeon 740M 2800MHz5.73 TOPSINT8 Tensor

x1.93

Radeon 840M 2900MHz2.97 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2800MHz UC·Base·Boost·OC	Clock Speed2900MHz UC·Base·Boost·OC
Peak OPS 5.73 TOPSINT8 Tensor	Peak OPS 2.97 TFLOPSFP16
FP16 2.87 TFLOPS Tensor FP16-32 5.73 TFLOPS	FP16 2.97 TFLOPS Tensor FP16-32 -
BF16 2.87 TFLOPS Tensor BF16 5.73 TFLOPS	BF16 2.97 TFLOPS Tensor BF16 -
FP32 2.87 TFLOPS	FP32 2.97 TFLOPS
FP64 89.6 GFLOPS	FP64 92.8 GFLOPS
Tensor INT8 5.73 TOPS	-
Pixel Rate 22.4 GPixel/s	Pixel Rate 92.8 GPixel/s
Texture Rate 44.8 GTexel/s	Texture Rate 46.4 GTexel/s

Core Config

Shaders 256 Shaders	Shaders 256 Shaders
TMUs 16 TMUs	TMUs 16 TMUs
ROPs 8 ROPs	ROPs 32 ROPs
Tensor Cores 8 T-Cores	Tensor Cores -
RT Cores 4 RT-Cores	RT Cores 4 RT-Cores
CUs 4 CUs	CUs 4 CUs

Clocks

Base Clock 1.5GHz	Base Clock 1.5GHz
Boost Clock 2.8GHz	Boost Clock 2.9GHz

Cache

L0 Cache 32KB/WGP	L0 Cache 32KB/WGP
L1 256KB/Array	L1 256KB/Array
L2 Cache -	L2 Cache 1MB shared

Memory

Shared Memory LPDDR5X·DDR5	Shared Memory LPDDR5X·DDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 7.5GT/s	Memory Speed 8.5GT/s
Memory Bandwidth 120GB/s	Memory Bandwidth 136.5GB/s

Video Output

Max Resolution 4096x2160	Max Resolution 4096x2160
Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz
Multi-Monitor 4	Multi-Monitor 4
Adaptive Sync FreeSync	Adaptive Sync FreeSync
DSC Not Supported	DSC Not Supported
HDCP HDCP 2.2	HDCP HDCP 2.3

API Support

Shader Model 6.7	Shader Model 6.7
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_2
OpenGL 4.6 OpenCL 2.1 Vulkan 1.3	OpenGL 4.6 OpenCL 2.1 Vulkan 1.3
GFX 11	GFX 11.5

Encoder

Encoder VCN 4.0	Encoder VCN 4.0
Codec AVC (H.264) HEVC (H.265) AV1	Codec AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder VCN 4.0	Decoder VCN 4.0
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3	Architecture RDNA 3.5
Family 700	Family 800
Branding	Branding
Codename Phoenix	Codename Krackan Point
Market Segment Laptop	Market Segment Laptop
Release Date May 5, 2023	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N4	Fabrication Node N4P
Die Size 137mm²	Die Size 233mm²
Transistor Count 20.9B	Transistor Count 28B
Transistor Density 153 MTr/mm²	Transistor Density 120 MTr/mm²

Images