AMD Radeon 660M 1800MHz vs AMD Radeon Vega 6 1800MHz Full Specs

Summary

384 Shaders 1.8GHz	384 Shaders 1.8GHz
Shared Memory102.4GB/s LPDDR5·DDR5	Shared Memory68.3GB/s LPDDR4X·DDR4
Peak·FP32·FP16 1.38 TFLOPS	Peak·FP32·FP16 1.38 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon 660M 1800MHz2.77 TFLOPSFP16

x1

Radeon Vega 6 1800MHz2.77 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed1800MHz UC·Base·Boost·OC	Clock Speed1800MHz UC·Base·Boost·OC
Peak OPS 2.77 TFLOPSFP16	Peak OPS 2.77 TFLOPSFP16
FP32 1.38 TFLOPS	FP32 1.38 TFLOPS
FP64 86.4 GFLOPS	FP64 86.4 GFLOPS
Pixel Rate 28.8 GPixel/s	Pixel Rate 14.4 GPixel/s
Texture Rate 43.2 GTexel/s	Texture Rate 43.2 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 384 Shaders
TMUs 24 TMUs	TMUs 24 TMUs
ROPs 16 ROPs	ROPs 8 ROPs
RT Cores 6 RT-Cores	RT Cores -
CUs 6 CUs	CUs 6 CUs

Clocks

Base Clock 1.5GHz	Base Clock 300MHz
Boost Clock 1.8GHz	Boost Clock 1.8GHz

Cache

L0 Cache 32KB/WGP	L0 Cache -
L1 256KB/Array	L1 16KB/CU
L2 Cache -	L2 Cache 1MB shared

Memory

Shared Memory LPDDR5·DDR5	Shared Memory LPDDR4X·DDR4
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 6.4GT/s	Memory Speed 4.3GT/s
Memory Bandwidth 102.4GB/s	Memory Bandwidth 68.3GB/s
ECC No	ECC No

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 3
Adaptive Sync FreeSync	Adaptive Sync FreeSync
DSC Not Supported	DSC Not Supported
HDCP HDCP 2.2	HDCP -

API Support

Shader Model 6.7	Shader Model 6.7
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 2.2 Vulkan 1.3	OpenGL 4.6 OpenCL 3 Vulkan 1.2
GFX 10.3	GFX 9

Encoder

Encoder VCN 3.1	Encoder VCN 2.0
Codec AVC (H.264) HEVC (H.265)	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder VCN 3.1	Decoder VCN 2.0
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) -

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 2	Architecture GCN 5
Family 600	Family Vega
Branding	Branding
Codename Rembrandt	Codename -
Chip Variant -	Chip Variant Vega 3
Market Segment Laptop	Market Segment Laptop
Release Date Jan 4, 2023	Release Date Jul 21, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N7
Die Size 210mm²	Die Size 180mm²
Transistor Count 13.1B	Transistor Count 10.7B
Transistor Density 62 MTr/mm²	Transistor Density 59 MTr/mm²

Images

Used In

CPUs AMDRyzen 3 7335U4 Cores

CPUs AMDRyzen 5 5500H4 Cores

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