AMD Radeon R7 8CU 600MHz GCN 2 vs AMD Radeon HD 7660G Full Specs

Summary

512 Shaders 600MHz	384 Shaders 496MHz
Shared Memory34.1GB/s DDR3·DDR4	Shared Memory25.6GB/s DDR3·DDR3L
Peak·FP32·FP16 614.4 GFLOPS	Peak·FP32·FP16 380.9 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon R7 8CU 600MHz GCN 2614.4 GFLOPSFP16

x1.61

Radeon HD 7660G380.9 GFLOPSFP32

x1

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Theoretical Performance

Clock Speed600MHz UC·Boost·OC	Clock Speed496MHz UC·Boost·OC
Peak OPS 614.4 GFLOPSFP16	Peak OPS 380.9 GFLOPSFP32
FP32 614.4 GFLOPS	FP32 380.9 GFLOPS
FP64 38.4 GFLOPS	-
Pixel Rate 4.8 GPixel/s	Pixel Rate 4 GPixel/s
Texture Rate 19.2 GTexel/s	Texture Rate 11.9 GTexel/s

Core Config

Shaders 512 Shaders	Shaders 384 Shaders
TMUs 32 TMUs	TMUs 24 TMUs
ROPs 8 ROPs	ROPs 8 ROPs
CUs 8 CUs	CUs 6 CUs

Clocks

Boost Clock 600MHz

Boost Clock 496MHz

Cache

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

Memory

Shared Memory DDR3·DDR4	Shared Memory DDR3·DDR3L
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 2.1GT/s	Memory Speed 1.6GT/s
Memory Bandwidth 34.1GB/s	Memory Bandwidth 25.6GB/s
ECC No	ECC No

Video Output

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

API Support

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

Encoder

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

Decoder

Decoder UVD 4.2	Decoder UVD 3.1
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

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 2	Architecture TeraScale 3
Family GCN 2	Family Radeon HD 7000
Branding	Branding
Codename Spectre	Codename Devastator
Chip Variant Spectre SL	Chip Variant -
Market Segment Laptop	Market Segment Laptop
Release Date Jun 1, 2014	Release Date May 1, 2012

Fabrication

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

Images

Used In

Competitors