NVIDIA GeForce GT 640 1GB vs NVIDIA GeForce GTX 650 Ti Full Specs

Summary

384 Shaders 797MHz	768 Shaders 928MHz
1GB DDR328.5GB/s	1GB GDDR586.4GB/s
Peak·FP32·FP16 612.1 GFLOPS	Peak·FP32·FP16 1.43 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 50W	TDP 110W
Power Connectors -	Power Connectors 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 640 1GB612.1 GFLOPSFP32

x1

GeForce GTX 650 Ti1.43 TFLOPSFP32

x2.33

Show Top Score

Theoretical Performance

Clock Speed797MHz UC·Boost·OC	Clock Speed928MHz UC·Boost·OC
Peak OPS 612.1 GFLOPSFP32	Peak OPS 1.43 TFLOPSFP32
FP32 612.1 GFLOPS	FP32 1.43 TFLOPS
FP64 25.5 GFLOPS	FP64 59.39 GFLOPS
Pixel Rate 12.8 GPixel/s	Pixel Rate 14.8 GPixel/s
Texture Rate 25.5 GTexel/s	Texture Rate 59.4 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 768 Shaders
TMUs 32 TMUs	TMUs 64 TMUs
ROPs 16 ROPs	ROPs 16 ROPs
SMs 2 SMs	SMs 4 SMs

Clocks

Boost Clock 797MHz

Boost Clock 928MHz

Cache

L2 Cache 256KB shared

L2 Cache 512KB shared

Memory

1GB DDR3	1GB GDDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 1.8GT/s	Memory Speed 5.4GT/s
Memory Bandwidth 28.5GB/s	Memory Bandwidth 86.4GB/s
ECC No	ECC No

Power & Thermals

TDP 50W

TDP 110W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

1x HDMI 1.4	-
-	1x Mini HDMI 1.4
-	1x DVI-D Dual-Link
1x DVI-I Dual-Link	1x DVI-I Dual-Link
1x VGA	-

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 1.5-Slots	PCIe 1.5-Slots
Height 111 mm (4.37") Width 145 mm (5.71") Depth 30 mm (1.18")	Height 111 mm (4.37") Width 145 mm (5.71") Depth 30 mm (1.18")
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan
Power Connectors -	Power Connectors 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 NVE7	Codename NVE6
Market Segment Desktop	Market Segment Desktop
Release Date Apr 24, 2012	Release Date Oct 9, 2012

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 118mm²	Die Size 221mm²
Transistor Count 1.3 Billion	Transistor Count 2.5 Billion
Transistor Density 10.76 MTr/mm²	Transistor Density 11.49 MTr/mm²

Images

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Competitors

NVIDIAGeForce GT 640 1GB vs GPU AMDRadeon RX 7400 NVIDIAGeForce GT 640 1GB vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GT 640 1GB vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G Show 4 more

NVIDIAGeForce GTX 650 Ti vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GTX 650 Ti vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G NVIDIAGeForce GTX 650 Ti vs GPU AMDRadeon RX 7400 Show 12 more