GPUs

NVIDIA GeForce GT 625 vs NVIDIA GeForce GT 640 GK208 Full Specs

48 Shaders
810MHz
384 Shaders
1.05GHz
524MB DDR314.4GB/s
1GB GDDR540.1GB/s
··
155.5 GFLOPS
··
803.3 GFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
30W
TDP
49W

GeForce GT 625GeForce GT 625155.5 GFLOPSFP32
x1
GeForce GT 640 GK208GeForce GT 640 GK208803.3 GFLOPSFP32
x5.17

Clock Speed
··
Clock Speed
··
Peak OPS
155.5 GFLOPSFP32
Peak OPS
803.3 GFLOPSFP32
FP32
155.5 GFLOPS
FP32
803.3 GFLOPS
FP64
12.96 GFLOPS
FP64
33.47 GFLOPS
Pixel Rate
6.5 GPixel/s
Pixel Rate
8.4 GPixel/s
Texture Rate
13 GTexel/s
Texture Rate
16.7 GTexel/s

Shaders
48 Shaders
Shaders
384 Shaders
TMUs
8 TMUs
TMUs
16 TMUs
ROPs
4 ROPs
ROPs
8 ROPs
SM
1 SM
SMs
2 SMs

Boost Clock
810MHz
Boost Clock
1.05GHz
Shader Clock
1.62GHz
Shader Clock
-

L2 Cache
128KB shared
L2 Cache
256KB shared

524MB 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

TDP
30W
TDP
49W

Multi-Monitor
2
Multi-Monitor
2

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

Decoder Model
VP5
Decoder Model
NVDEC 1

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
1-Slots
PCIe
1.5-Slots
Height
69 mm (2.72")
Width
155 mm (6.1")
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

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
GeForce 2006 branding
Branding
GeForce 2006 branding
Codename
NVD9
Codename
NV108
Chip Variant
-
Chip Variant
GK208-301-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
Feb 19, 2013
Release Date
May 29, 2013

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

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