AMD Radeon R9 M380 vs NVIDIA GeForce GT 755M Mac Full Specs

Summary

640 Shaders 900MHz	384 Shaders 1.08GHz
4GB GDDR596GB/s	1GB GDDR580GB/s
Peak·FP32·FP16 1.15 TFLOPS	Peak·FP32·FP16 833.3 GFLOPS
Form Factor Soldered	Form Factor Soldered
TDP 35W	TDP -

Theoretical Performance

Clock Speed900MHz UC·Boost·OC	Clock Speed1085MHz UC·Boost·OC
Peak OPS 1.15 TFLOPSFP32	Peak OPS 833.3 GFLOPSFP32
FP32 1.15 TFLOPS	FP32 833.3 GFLOPS
FP64 72 GFLOPS	FP64 34.72 GFLOPS
Pixel Rate 14.4 GPixel/s	Pixel Rate 17.4 GPixel/s
Texture Rate 36 GTexel/s	Texture Rate 34.7 GTexel/s

Core Config

Shaders 640 Shaders	Shaders 384 Shaders
TMUs 40 TMUs	TMUs 32 TMUs
ROPs 16 ROPs	ROPs 16 ROPs
CUs 10 CUs	SMs 2 SMs

Clocks

Boost Clock 900MHz

Boost Clock 1.08GHz

Cache

L1 16KB/CU	L1 48KB/SM Tex
L2 Cache 256KB shared	L2 Cache 256KB shared

Memory

4GB GDDR5	1GB GDDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 6GT/s	Memory Speed 5GT/s
Memory Bandwidth 96GB/s	Memory Bandwidth 80GB/s
ECC No	ECC No

Power & Thermals

TDP 35W

TDP -

Video Output

Max Resolution 4096x2160	Max Resolution 4096x2304
Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 34Hz
Multi-Monitor 3	Multi-Monitor 2
Adaptive Sync - FreeSync	Adaptive Sync G-Sync FreeSync
DSC Not Supported	DSC Not Supported
HDCP HDCP 1.4	HDCP -

API Support

Shader Model 6.5	Shader Model 6.5
DirectX DirectX 12 Direct3D 12_0	DirectX DirectX 12 Direct3D 11_0
OpenGL 4.6 OpenCL 2.1 Vulkan 1.2	OpenGL 4.6 OpenCL 3 Vulkan 1.2
CUDA - GFX 7 PureVideo HD - VDPAU -	CUDA 3 GFX - PureVideo HD VP5 VDPAU Feature Set D

Encoder

Encoder VCE 2.0	Encoder NVENC 1
Codec AVC (H.264)	Codec AVC (H.264)

Decoder

Decoder UVD 4.2	Decoder NVDEC 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 Soldered	Form Factor Soldered
PCIe PCIe 3.0 x16	PCIe PCIe 3.0 x16
Multi-GPU Multi-GPU Support Supported Multi-GPU Type 2-way CrossFireX	Multi-GPU -

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture GCN 2	Architecture Kepler
Family Radeon R 300	Family GeForce 700
Branding	Branding
Codename Bonaire	Codename NVE7
Chip Variant Bonaire XT	Chip Variant -
Market Segment Laptop	Market Segment Laptop
Release Date May 5, 2015	Release Date Apr 1, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 160mm²	Die Size 118mm²
Transistor Count 2.1B	Transistor Count 1.3B
Transistor Density 13 MTr/mm²	Transistor Density 10.76 MTr/mm²

Images