NVIDIA GeForce GTX 645 vs NVIDIA GeForce GTX TITAN Full Specs

Summary

576 Shaders 889MHz	2,688 Shaders 993MHz
1GB GDDR564GB/s	6GB GDDR5288.4GB/s
Peak·FP32·FP16 1.02 TFLOPS	Peak·FP32·FP16 5.34 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 64W	TDP 230W
Power Connectors -	Power Connectors 1x 8-Pin 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GTX 6451.02 TFLOPSFP32

x1

GeForce GTX TITAN5.34 TFLOPSFP32

x5.21

Show Top Score

Theoretical Performance

Clock Speed889MHz UC·Base·Boost·OC	Clock Speed993MHz UC·Base·Boost·OC
Peak OPS 1.02 TFLOPSFP32	Peak OPS 5.34 TFLOPSFP32
FP32 1.02 TFLOPS	FP32 5.34 TFLOPS
FP64 42.67 GFLOPS	FP64 1.78 TFLOPS
Pixel Rate 14.2 GPixel/s	Pixel Rate 47.7 GPixel/s
Texture Rate 42.7 GTexel/s	Texture Rate 222.4 GTexel/s

Core Config

Shaders 576 Shaders	Shaders 2,688 Shaders
TMUs 48 TMUs	TMUs 224 TMUs
ROPs 16 ROPs	ROPs 48 ROPs
SMs 3 SMs	SMs 14 SMs

Clocks

Base Clock 824MHz	Base Clock 837MHz
Boost Clock 889MHz	Boost Clock 993MHz

Cache

L2 Cache 512KB shared

L2 Cache 1.5MB shared

Memory

1GB GDDR5	6GB GDDR5
Memory Bus 128-bit	Memory Bus 384-bit
Memory Speed 4GT/s	Memory Speed 6GT/s
Memory Bandwidth 64GB/s	Memory Bandwidth 288.4GB/s

Power & Thermals

TDP 64W

TDP 230W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

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

Encoder

Encoder Model NVENC 1

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 111 mm (4.37") Width 168 mm (6.61") 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 1x 8-Pin, 1x 6-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Kepler	Architecture Kepler
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NVE6	Codename NVF0
Chip Variant -	Chip Variant GK110-400-A1
Market Segment Desktop	Market Segment Desktop
Release Date Apr 22, 2013	Release Date Feb 21, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 221mm²	Die Size 561mm²
Transistor Count 2.5 Billion	Transistor Count 7.1 Billion
Transistor Density 11.49 MTr/mm²	Transistor Density 12.62 MTr/mm²

Images

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Competitors

NVIDIAGeForce GTX 645 vs GPU AMDRadeon RX 7400 NVIDIAGeForce GTX 645 vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GTX 645 vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G Show 5 more

NVIDIAGeForce GTX TITAN vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GTX TITAN vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G NVIDIAGeForce GTX TITAN vs GPU AMDRadeon RX 7700 Show 12 more