AMD Radeon R4 2CU 800MHz GCN 2 vs AMD Radeon R3 2CU 655MHz GCN 3 Full Specs

Summary

128 Shaders 800MHz	128 Shaders 655MHz
Shared Memory14.9GB/s DDR3L·DDR3	Shared Memory17.1GB/sDDR4
Peak·FP32·FP16 204.8 GFLOPS	Peak·FP32·FP16 167.7 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon R4 2CU 800MHz GCN 2204.8 GFLOPSFP32

x1.22

Radeon R3 2CU 655MHz GCN 3167.7 GFLOPSFP16

x1

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Theoretical Performance

Clock Speed800MHz UC·Boost·OC	Clock Speed655MHz UC·Boost·OC
Peak OPS 204.8 GFLOPSFP32	Peak OPS 167.7 GFLOPSFP16
FP32 204.8 GFLOPS	FP32 167.7 GFLOPS
FP64 12.8 GFLOPS	FP64 10.48 GFLOPS
Pixel Rate 3.2 GPixel/s	Pixel Rate 2.6 GPixel/s
Texture Rate 6.4 GTexel/s	Texture Rate 5.2 GTexel/s

Core Config

Shaders 128 Shaders	Shaders 128 Shaders
TMUs 8 TMUs	TMUs 8 TMUs
ROPs 4 ROPs	ROPs 4 ROPs
CUs 2 CUs	CUs 2 CUs

Clocks

Boost Clock 800MHz

Boost Clock 655MHz

Cache

L1 16KB/CU	L1 16KB/CU
L2 Cache 64KB shared	L2 Cache 128KB shared

Memory

Shared Memory DDR3L·DDR3	Shared MemoryDDR4
Memory Bus 64-bit	Memory Bus 64-bit
Memory Speed 1.9GT/s	Memory Speed 2.1GT/s
Memory Bandwidth 14.9GB/s	Memory Bandwidth 17.1GB/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
DSC Not Supported	DSC Not Supported

API Support

Shader Model 6.5	Shader Model 6.5
DirectX DirectX 12 Direct3D 12_0	DirectX DirectX 12 Direct3D 12_0
OpenGL 4.6 OpenCL 2.1 Vulkan 1.2	OpenGL 4.6 OpenCL 2.1 Vulkan 1.2
GFX 7	GFX 8

Encoder

Encoder VCE 2.0	Encoder VCE 3.4
Codec AVC (H.264) -	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder UVD 4.2	Decoder UVD 6.2
Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 AVC (H.264) -	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 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 2	Architecture GCN 3
Family GCN 2	Family GCN 3
Branding	Branding
Codename Kalindi	Codename Stoney
Chip Variant Kalindi LP	Chip Variant -
Market Segment Laptop	Market Segment Laptop
Release Date May 1, 2016	Release Date Jun 1, 2017

Fabrication

Foundry GlobalFoundries	Foundry GlobalFoundries
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 107mm²	Die Size 125mm²
Transistor Count 930M	Transistor Count 1.2B
Transistor Density 9 MTr/mm²	Transistor Density 10 MTr/mm²

Images

Used In

CPUs AMDA4 PRO-3350B4 CoresAMDA6-73104 Cores

CPUs AMDA4-91201 Core

Competitors

AMDRadeon R4 2CU 800MHz GCN 2 vs GPU AMDRadeon R3 2CU 686MHz GCN 2 AMDRadeon R4 2CU 800MHz GCN 2 vs GPU AMDRadeon R5 2CU 847MHz GCN 2 AMDRadeon R4 2CU 800MHz GCN 2 vs GPU AMDRadeon R5E 2CU 655MHz GCN 2 Show 12 more

AMDRadeon R3 2CU 655MHz GCN 3 vs GPU AMDRadeon R3 2CU 686MHz GCN 3 AMDRadeon R3 2CU 655MHz GCN 3 vs GPU AMDRadeon R2 2CU 600MHz GCN 3 AMDRadeon R3 2CU 655MHz GCN 3 vs GPU AMDRadeon R2E 2CU 600MHz GCN 3 Show 12 more