AMD Radeon R7 8CU 800MHz GCN 3 vs AMD Radeon Vega 3 1000MHz Full Specs

Summary

512 Shaders 800MHz	192 Shaders 1GHz
Shared Memory38.4GB/s DDR4·DDR3	Shared Memory42.7GB/sDDR4
Peak·FP32·FP16 819.2 GFLOPS	Peak·FP32·FP16 384 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon R7 8CU 800MHz GCN 3819.2 GFLOPSFP16

x1.07

Radeon Vega 3 1000MHz768 GFLOPSFP16

x1

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Theoretical Performance

Clock Speed800MHz UC·Boost·OC	Clock Speed1000MHz UC·Base·Boost·OC
Peak OPS 819.2 GFLOPSFP16	Peak OPS 768 GFLOPSFP16
FP32 819.2 GFLOPS	FP32 384 GFLOPS
FP64 51.2 GFLOPS	FP64 24 GFLOPS
Pixel Rate 6.4 GPixel/s	Pixel Rate 4 GPixel/s
Texture Rate 25.6 GTexel/s	Texture Rate 12 GTexel/s

Core Config

Shaders 512 Shaders	Shaders 192 Shaders
TMUs 32 TMUs	TMUs 12 TMUs
ROPs 8 ROPs	ROPs 4 ROPs
CUs 8 CUs	CUs 3 CUs

Clocks

Base Clock -	Base Clock 300MHz
Boost Clock 800MHz	Boost Clock 1GHz

Cache

L1 16KB/CU	L1 16KB/CU
L2 Cache 256KB shared	L2 Cache 1MB shared

Memory

Shared Memory DDR4·DDR3	Shared MemoryDDR4
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 2.4GT/s	Memory Speed 2.7GT/s
Memory Bandwidth 38.4GB/s	Memory Bandwidth 42.7GB/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 3	Multi-Monitor 3
Adaptive Sync -	Adaptive Sync FreeSync
DSC Not Supported	DSC Not Supported

API Support

Shader Model 6.5	Shader Model 6.7
DirectX DirectX 12 Direct3D 12_0	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 2.1 Vulkan 1.2	OpenGL 4.6 OpenCL 3 Vulkan 1.2
GFX 8	GFX 9

Encoder

Encoder VCE 3.1	Encoder VCN 1.0
Codec AVC (H.264) HEVC (H.265)	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder UVD 6.0	Decoder VCN 1.0
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - AVC (H.264) HEVC (H.265)	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 GCN 3	Architecture GCN 5
Family GCN 3	Family Vega
Branding	Branding
Codename Wani	Codename -
Chip Variant -	Chip Variant Vega 3
Market Segment Laptop	Market Segment Laptop
Release Date Jun 1, 2017	Release Date Jan 6, 2019

Fabrication

Foundry GlobalFoundries	Foundry GlobalFoundries
Fabrication Node 28nm	Fabrication Node 14LP
Die Size 250mm²	Die Size 149mm²
Transistor Count 3.1B	Transistor Count 3.5B
Transistor Density 12 MTr/mm²	Transistor Density 24 MTr/mm²

Images