NVIDIA GeForce GT 755M Mac vs AMD Radeon HD 6770M Mac MXM Full Specs

Summary

384 Shaders 1.08GHz	480 Shaders 675MHz
1GB GDDR580GB/s	512MB GDDR550.8GB/s
Peak·FP32·FP16 833.3 GFLOPS	Peak·FP32·FP16 648 GFLOPS
Form Factor Soldered	Form Factor MXM-A
TDP -	TDP 35W

Theoretical Performance

Clock Speed1085MHz UC·Boost·OC	Clock Speed675MHz UC·Boost·OC
Peak OPS 833.3 GFLOPSFP32	Peak OPS 648 GFLOPSFP32
FP32 833.3 GFLOPS	FP32 648 GFLOPS
FP64 34.72 GFLOPS	-
Pixel Rate 17.4 GPixel/s	Pixel Rate 5.4 GPixel/s
Texture Rate 34.7 GTexel/s	Texture Rate 16.2 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 480 Shaders
TMUs 32 TMUs	TMUs 24 TMUs
ROPs 16 ROPs	ROPs 8 ROPs
SMs 2 SMs	CUs 6 CUs

Clocks

Boost Clock 1.08GHz

Boost Clock 675MHz

Cache

L2 Cache 256KB shared

L2 Cache 256KB shared

Memory

1GB GDDR5	512MB GDDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 5GT/s	Memory Speed 3.2GT/s
Memory Bandwidth 80GB/s	Memory Bandwidth 50.8GB/s
ECC No	ECC No

Power & Thermals

TDP -

TDP 35W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Encoder

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

Decoder

Decoder Model NVDEC 1	Decoder Model UVD 3.0
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 Soldered

Form Factor MXM-A

Chip

Manufacturer NVIDIA	Manufacturer AMD
Chip Designer NVIDIA	Chip Designer AMD
Architecture Kepler	Architecture TeraScale 2
Family GeForce 700	Family Radeon HD 6000
Branding	Branding
Codename NVE7	Codename Turks
Chip Variant -	Chip Variant Turks Pro
Market Segment Laptop	Market Segment Laptop
Release Date Apr 1, 2013	Release Date Jan 4, 2011

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 40nm
Die Size 118mm²	Die Size 118mm²
Transistor Count 1.3 Billion	Transistor Count 716 Million
Transistor Density 10.76 MTr/mm²	Transistor Density 6.07 MTr/mm²

Images