NVIDIA GeForce GT 630 GK208 vs NVIDIA GeForce GT 640 GK208 Full Specs

Summary

384 Shaders 902MHz	384 Shaders 1.05GHz
1GB DDR314.4GB/s	1GB GDDR540.1GB/s
Peak·FP32·FP16 692.7 GFLOPS	Peak·FP32·FP16 803.3 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 25W	TDP 49W

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 630 GK208692.7 GFLOPSFP32

x1

GeForce GT 640 GK208803.3 GFLOPSFP32

x1.16

Show Top Score

Theoretical Performance

Clock Speed902MHz UC·Boost·OC	Clock Speed1046MHz UC·Boost·OC
Peak OPS 692.7 GFLOPSFP32	Peak OPS 803.3 GFLOPSFP32
FP32 692.7 GFLOPS	FP32 803.3 GFLOPS
FP64 28.86 GFLOPS	FP64 33.47 GFLOPS
Pixel Rate 7.2 GPixel/s	Pixel Rate 8.4 GPixel/s
Texture Rate 14.4 GTexel/s	Texture Rate 16.7 GTexel/s

Core Config

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

Clocks

Boost Clock 902MHz

Boost Clock 1.05GHz

Cache

L2 Cache 256KB shared

L2 Cache 256KB shared

Memory

1GB DDR3	1GB GDDR5
Memory Bus 64-bit	Memory Bus 64-bit
Memory Speed 1.8GT/s	Memory Speed 5GT/s
Memory Bandwidth 14.4GB/s	Memory Bandwidth 40.1GB/s
ECC No	ECC No

Power & Thermals

TDP 25W

TDP 49W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

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

Decoder

Decoder Model NVDEC 1

Decoder Model NVDEC 1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 1.5-Slots
Height 111 mm (4.37") 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 Kepler 2	Architecture Kepler 2
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NV108	Codename NV108
Chip Variant GK208-301-A1	Chip Variant GK208-301-A1
Market Segment Desktop	Market Segment Desktop
Release Date May 29, 2013	Release Date May 29, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 79mm²	Die Size 79mm²
Transistor Count 1 Billion	Transistor Count 1 Billion
Transistor Density 12.91 MTr/mm²	Transistor Density 12.91 MTr/mm²

Images

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Competitors

NVIDIAGeForce GT 630 GK208 vs GPU AMDRadeon RX 7400 NVIDIAGeForce GT 630 GK208 vs GPU MSIGeForce RTX 3050 LP 6G OC NVIDIAGeForce GT 630 GK208 vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G Show 2 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