NVIDIA GeForce GT 635M vs NVIDIA GeForce GTX 680MX Full Specs

Summary

144 Shaders 675MHz	1,536 Shaders 719MHz
1.5GB DDR343.2GB/s	4GB GDDR5160GB/s
Peak·FP32·FP16 388.8 GFLOPS	Peak·FP32·FP16 2.21 TFLOPS
Form Factor Soldered	Form Factor Soldered
TDP 35W	TDP 122W

Theoretical Performance

Clock Speed675MHz UC·Boost·OC	Clock Speed719MHz UC·Boost·OC
Peak OPS 388.8 GFLOPSFP32	Peak OPS 2.21 TFLOPSFP32
FP32 388.8 GFLOPS	FP32 2.21 TFLOPS
FP64 32.4 GFLOPS	FP64 92.03 GFLOPS
Pixel Rate 32.4 GPixel/s	Pixel Rate 23 GPixel/s
Texture Rate 32.4 GTexel/s	Texture Rate 92 GTexel/s

Core Config

Shaders 144 Shaders	Shaders 1,536 Shaders
TMUs 24 TMUs	TMUs 128 TMUs
ROPs 24 ROPs	ROPs 32 ROPs
SMs 3 SMs	SMs 8 SMs

Clocks

Boost Clock 675MHz	Boost Clock 719MHz
Shader Clock 1.35GHz	Shader Clock -

Cache

L2 Cache 384KB shared

L2 Cache 512KB shared

Memory

1.5GB DDR3	4GB GDDR5
Memory Bus 192-bit	Memory Bus 256-bit
Memory Speed 1.8GT/s	Memory Speed 5GT/s
Memory Bandwidth 43.2GB/s	Memory Bandwidth 160GB/s
ECC No	ECC No

Power & Thermals

TDP 35W

TDP 122W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Encoder

-	Encoder Model NVENC 1
Codec -	Codec AVC (H.264)

Decoder

Decoder Model VP4	Decoder Model NVDEC 1
Codec -	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor Soldered

Form Factor Soldered

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Fermi	Architecture Kepler
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NVC3	Codename NVE4
Chip Variant -	Chip Variant GK104-200-KD-A2
Market Segment Laptop	Market Segment Laptop
Release Date Apr 1, 2012	Release Date Oct 23, 2012

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 40nm	Fabrication Node 28nm
Die Size 238mm²	Die Size 294mm²
Transistor Count 1.2 Billion	Transistor Count 3.5 Billion
Transistor Density 4.92 MTr/mm²	Transistor Density 12.04 MTr/mm²

Images