NVIDIA GeForce GT 620 2SM vs NVIDIA GeForce GT 640 GK208 Full Specs

Summary

96 Shaders 700MHz	384 Shaders 1.05GHz
1GB DDR316GB/s	1GB GDDR540.1GB/s
Peak·FP32·FP16 268.8 GFLOPS	Peak·FP32·FP16 803.3 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 49W	TDP 49W

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 620 2SM268.8 GFLOPSFP32

x1

GeForce GT 640 GK208803.3 GFLOPSFP32

x2.99

Show Top Score

Theoretical Performance

Clock Speed700MHz UC·Boost·OC	Clock Speed1046MHz UC·Boost·OC
Peak OPS 268.8 GFLOPSFP32	Peak OPS 803.3 GFLOPSFP32
FP32 268.8 GFLOPS	FP32 803.3 GFLOPS
FP64 22.4 GFLOPS	FP64 33.47 GFLOPS
Pixel Rate 5.6 GPixel/s	Pixel Rate 8.4 GPixel/s
Texture Rate 22.4 GTexel/s	Texture Rate 16.7 GTexel/s

Core Config

Shaders 96 Shaders	Shaders 384 Shaders
TMUs 16 TMUs	TMUs 16 TMUs
ROPs 4 ROPs	ROPs 8 ROPs
SMs 2 SMs	SMs 2 SMs

Clocks

Boost Clock 700MHz	Boost Clock 1.05GHz
Shader Clock 1.4GHz	Shader Clock -

Cache

L2 Cache 256KB shared

L2 Cache 256KB shared

Memory

1GB DDR3	1GB GDDR5
Memory Bus 64-bit	Memory Bus 64-bit
Memory Speed 2GT/s	Memory Speed 5GT/s
Memory Bandwidth 16GB/s	Memory Bandwidth 40.1GB/s

Power & Thermals

TDP 49W

TDP 49W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

-	1x HDMI 1.4
1x HDMI 1.3	-
1x DVI-I Dual-Link	1x DVI-I Dual-Link
1x VGA	1x VGA

Decoder

Decoder Model VP4

Decoder Model NVDEC 1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 1.5-Slots
Height 69 mm (2.72") Width 145 mm (5.71") Depth 20 mm (0.79")	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

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Fermi	Architecture Kepler 2
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NVC1	Codename NV108
Chip Variant -	Chip Variant GK208-301-A1
Market Segment Desktop	Market Segment Desktop
Release Date May 15, 2012	Release Date May 29, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 40nm	Fabrication Node 28nm
Die Size 116mm²	Die Size 79mm²
Transistor Count 585 Million	Transistor Count 1 Billion
Transistor Density 5.04 MTr/mm²	Transistor Density 12.91 MTr/mm²

Images

No images available

No images available

Competitors

NVIDIAGeForce GT 620 2SM vs GPU AMDRadeon RX 7400 NVIDIAGeForce GT 620 2SM vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GT 620 2SM vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G Show 3 more

NVIDIAGeForce GT 640 GK208 vs GPU AMDRadeon RX 7400 NVIDIAGeForce GT 640 GK208 vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GT 640 GK208 vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G Show 3 more