NVIDIA GeForce GTX 745 vs NVIDIA GeForce GTX 770 Full Specs

Summary

384 Shaders 1.03GHz	1,536 Shaders 1.13GHz
1GB DDR328.8GB/s	2GB GDDR5224.4GB/s
Peak·FP32·FP16 793.3 GFLOPS	Peak·FP32·FP16 3.47 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 55W	TDP 230W
Power Connectors -	Power Connectors 2x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GTX 745793.3 GFLOPSFP32

x1

GeForce GTX 7703.47 TFLOPSFP32

x4.38

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Theoretical Performance

Clock Speed1033MHz UC·Boost·OC	Clock Speed1130MHz UC·Base·Boost·OC
Peak OPS 793.3 GFLOPSFP32	Peak OPS 3.47 TFLOPSFP32
FP32 793.3 GFLOPS	FP32 3.47 TFLOPS
FP64 24.79 GFLOPS	FP64 144.6 GFLOPS
Pixel Rate 16.5 GPixel/s	Pixel Rate 36.2 GPixel/s
Texture Rate 24.8 GTexel/s	Texture Rate 144.6 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 1,536 Shaders
TMUs 24 TMUs	TMUs 128 TMUs
ROPs 16 ROPs	ROPs 32 ROPs
SMs 3 SMs	SMs 8 SMs

Clocks

Base Clock -	Base Clock 1.05GHz
Boost Clock 1.03GHz	Boost Clock 1.13GHz

Cache

L2 Cache 2MB shared

L2 Cache 512KB shared

Memory

1GB DDR3	2GB GDDR5
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 1.8GT/s	Memory Speed 7GT/s
Memory Bandwidth 28.8GB/s	Memory Bandwidth 224.4GB/s

Power & Thermals

TDP 55W

TDP 230W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

-	1x DisplayPort 1.2
1x HDMI 1.4	1x HDMI 1.4
1x DVI-D Dual-Link	1x DVI-D Dual-Link
-	1x DVI-I Dual-Link
1x VGA	-

Encoder

Encoder Model NVENC 2

Encoder Model NVENC 1

Decoder

Decoder Model NVDEC 1

Decoder Model NVDEC 1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
Height 69 mm (2.72") Width 155 mm (6.1") Depth 20 mm (0.79")	Height 111 mm (4.37") Width 267 mm (10.51") Depth 38 mm (1.5")
Cooling Blower 1x Fan	Cooling Blower 1x Fan
Power Connectors -	Power Connectors 2x 6-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Maxwell	Architecture Kepler
Family GeForce 700	Family GeForce 700
Branding	Branding
Codename NV117	Codename NVE4
Chip Variant GM107-220-A2	Chip Variant GK104-200-KD-A2
Market Segment Desktop	Market Segment Desktop
Release Date Feb 18, 2014	Release Date May 30, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 148mm²	Die Size 294mm²
Transistor Count 1.9 Billion	Transistor Count 3.5 Billion
Transistor Density 12.64 MTr/mm²	Transistor Density 12.04 MTr/mm²

Images

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Competitors

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