AMD Radeon HD 7660D vs AMD Radeon R7 6CU 758MHz GCN 2 Full Specs

Summary

384 Shaders 800MHz	384 Shaders 758MHz
Shared Memory29.9GB/sDDR3	Shared Memory34.1GB/sDDR3
Peak·FP32·FP16 614.4 GFLOPS	Peak·FP32·FP16 582.1 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon HD 7660D614.4 GFLOPSFP32

x1.06

Radeon R7 6CU 758MHz GCN 2582.1 GFLOPSFP16

x1

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Theoretical Performance

Clock Speed800MHz UC·Base·Boost·OC	Clock Speed758MHz UC·Boost·OC
Peak OPS 614.4 GFLOPSFP32	Peak OPS 582.1 GFLOPSFP16
FP32 614.4 GFLOPS	FP32 582.1 GFLOPS
-	FP64 36.38 GFLOPS
Pixel Rate 6.4 GPixel/s	Pixel Rate 6.1 GPixel/s
Texture Rate 19.2 GTexel/s	Texture Rate 18.2 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 384 Shaders
TMUs 24 TMUs	TMUs 24 TMUs
ROPs 8 ROPs	ROPs 8 ROPs
CUs 6 CUs	CUs 6 CUs

Clocks

Base Clock 760MHz	Base Clock -
Boost Clock 800MHz	Boost Clock 758MHz

Cache

L1 8KB/CU	L1 16KB/CU
L2 Cache 256KB shared	L2 Cache 128KB shared

Memory

Shared MemoryDDR3	Shared MemoryDDR3
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 1.9GT/s	Memory Speed 2.1GT/s
Memory Bandwidth 29.9GB/s	Memory Bandwidth 34.1GB/s
ECC No	ECC No

Video Output

Max Resolution 2560x1600	Max Resolution 4096x2160
Refresh Rate Calculator 2560x1440 Resolution1440p QHD Refresh Rate 66Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz
Multi-Monitor 2	Multi-Monitor 3
DSC Not Supported	DSC Not Supported

API Support

Shader Model 5	Shader Model 6.5
DirectX DirectX 11 Direct3D 11_0	DirectX DirectX 12 Direct3D 12_0
OpenGL 4.5 OpenCL 1.2 Vulkan -	OpenGL 4.6 OpenCL 2.1 Vulkan 1.2
GFX 5	GFX 7

Encoder

-	Encoder VCE 2.0
Codec -	Codec AVC (H.264)

Decoder

Decoder UVD 3.1	Decoder UVD 4.2
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor iGPU	Form Factor iGPU
Cooling Passive	Cooling Open-Air

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture TeraScale 3	Architecture GCN 2
Family Radeon HD 7000	Family GCN 2
Branding	Branding
Codename Devastator	Codename Spectre
Chip Variant -	Chip Variant Spectre SL
Market Segment Desktop	Market Segment Laptop
Release Date Jun 1, 2012	Release Date Jul 20, 2015

Fabrication

Foundry GlobalFoundries	Foundry GlobalFoundries
Fabrication Node 32nm	Fabrication Node 28nm
Die Size 246mm²	Die Size 245mm²
Transistor Count 1.3B	Transistor Count 2.4B
Transistor Density 5 MTr/mm²	Transistor Density 10 MTr/mm²

Images

Used In

CPUs AMDA10-57002 CoresAMDA10-5800B2 CoresAMDA10-5800K2 Cores

CPUs AMDA8-7670K2 CoresAMDPRO A8-8650B2 Cores

Competitors

AMDRadeon HD 7660D vs GPU IntelUHD 770 1450MHz AMDRadeon HD 7660D vs GPU IntelUHD 770 1500MHz AMDRadeon HD 7660D vs GPU IntelUHD P750 1300MHz Show 12 more

AMDRadeon R7 6CU 758MHz GCN 2 vs GPU AMDRadeon R7 6CU 720MHz GCN 2 AMDRadeon R7 6CU 758MHz GCN 2 vs GPU AMDRadeon R6 6CU 464MHz GCN 2 AMDRadeon R7 6CU 758MHz GCN 2 vs GPU AMDRadeon R7 6CU 498MHz GCN 2 Show 12 more