NVIDIA GeForce GT 945A vs NVIDIA GeForce GTX 980 Ti Full Specs

Summary

384 Shaders 1.18GHz	2,816 Shaders 1.07GHz
1GB DDR314.4GB/s	6GB GDDR5336GB/s
Peak·FP32·FP16 903.2 GFLOPS	Peak·FP32·FP16 6.05 TFLOPS
Form Factor MXM-A	Form Factor PCIe Card
TDP 33W	TDP 250W
Power Connectors -	Power Connectors 1x 8-Pin 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 945A903.2 GFLOPSFP32

x1

GeForce GTX 980 Ti6.05 TFLOPSFP32

x6.70

Show Top Score

Theoretical Performance

Clock Speed1176MHz UC·Base·Boost·OC	Clock Speed1075MHz UC·Base·Boost·OC
Peak OPS 903.2 GFLOPSFP32	Peak OPS 6.05 TFLOPSFP32
FP32 903.2 GFLOPS	FP32 6.05 TFLOPS
FP64 28.22 GFLOPS	FP64 189.2 GFLOPS
Pixel Rate 9.4 GPixel/s	Pixel Rate 103.2 GPixel/s
Texture Rate 28.2 GTexel/s	Texture Rate 189.2 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 2,816 Shaders
TMUs 24 TMUs	TMUs 176 TMUs
ROPs 8 ROPs	ROPs 96 ROPs
SMs 3 SMs	SMs 22 SMs

Clocks

Base Clock 1.07GHz	Base Clock 1GHz
Boost Clock 1.18GHz	Boost Clock 1.07GHz

Cache

L2 Cache 1MB shared

L2 Cache 3.1MB shared

Memory

1GB DDR3	6GB GDDR5
Memory Bus 64-bit	Memory Bus 384-bit
Memory Speed 1.8GT/s	Memory Speed 7GT/s
Memory Bandwidth 14.4GB/s	Memory Bandwidth 336GB/s

Power & Thermals

TDP 33W

TDP 250W

Video Output

Multi-Monitor 3

Multi-Monitor 3

Ports

-	3x DisplayPort 1.2
-	1x HDMI 2.0
-	1x DVI-I Dual-Link

Encoder

-	Encoder Model 2x NVENC 3

Decoder

Decoder Model VP6

Decoder Model NVDEC 1

Card

Form Factor MXM-A	Form Factor PCIe Card
PCIe -	PCIe 2-Slots
-	Height 111 mm (4.37") Width 267 mm (10.51") Depth 40 mm (1.57")
Cooling Passive -	Cooling Blower 1x Fan
Power Connectors -	Power Connectors 1x 8-Pin, 1x 6-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Maxwell	Architecture Maxwell 2
Family GeForce 900	Family GeForce 900
Branding	Branding
Codename NV118	Codename NV120
Chip Variant -	Chip Variant GM200-310
Market Segment Desktop	Market Segment Desktop
Release Date Feb 1, 2016	Release Date Jun 1, 2015

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 89mm²	Die Size 601mm²
Transistor Count 1.1 Billion	Transistor Count 8 Billion
Transistor Density 12.61 MTr/mm²	Transistor Density 13.31 MTr/mm²

Images

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Competitors

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