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NVIDIA GeForce GT 620

GF108
Graphics Processor
96
Cores
16
TMUs
4
ROPs
1024 MB
Memory Size
DDR3
Memory Type
64 bit
Bus Width
NVIDIA GeForce GT 620 Photo NVIDIA GF108 Photo
The GeForce GT 620 was a graphics card by NVIDIA, launched in May 2012. Built on the 40 nm process, and based on the GF108 graphics processor, in its GF108-100-KB-A1 variant, the card supports DirectX 12.0. The GF108 graphics processor is an average sized chip with a die area of 116 mm² and 585 million transistors. It features 96 shading units, 16 texture mapping units and 4 ROPs. NVIDIA has placed 1,024 MB DDR3 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 700 MHz, memory is running at 900 MHz.
Being a single-slot card, the NVIDIA GeForce GT 620 does not require any additional power connector, its power draw is rated at 49 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x VGA. GeForce GT 620 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 145 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name
GF108
GPU Variant
GF108-100-KB-A1
Architecture
Fermi
Process Size
40 nm
Transistors
585 million
Die Size
116 mm²

Graphics Card

Released
May 15th, 2012
Production Status
End-of-life
Bus Interface
PCIe 2.0 x16

Relative Performance

25%
32%
39%
50%
59%
62%
77%
100%
100%
GeForce GT 620
101%
110%
116%
119%
136%
145%
155%
160%
167%
172%
184%
194%
198%
204%
211%
241%
243%
247%
250%
251%
253%
256%
271%
284%
289%
300%
302%
305%
308%
309%
309%
316%
331%
337%
362%
368%
368%
384%
385%
399%
425%
439%
441%
449%
451%
467%
473%
476%
484%
507%
517%
525%
525%
527%
529%
571%
576%
590%
597%
600%
604%
606%
616%
618%
635%
684%
701%
719%
723%
731%
738%
755%
775%
793%
812%
824%
824%
913%
1005%
1019%
1087%
1093%
1107%
1122%
1132%
1137%
1142%
1153%
1158%
1174%
1262%
1279%
1279%
1293%
1414%
1447%
1515%
1564%
1718%
1778%
1940%
1940%
2021%
2364%
2425%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
700 MHz
Shader Clock
1400 MHz
Memory Clock
900 MHz
1800 MHz effective

Memory

Memory Size
1024 MB
Memory Type
DDR3
Memory Bus
64 bit
Bandwidth
14.40 GB/s

Render Config

Shading Units
96
TMUs
16
ROPs
4
SM Count
2

Theoretical Performance

Pixel Rate
2.800 GPixel/s
Texture Rate
11.20 GTexel/s
FP32 (float) performance
268.8 GFLOPS
FP64 (double) performance
22.40 GFLOPS (1:12)

Board Design

Slot Width
Single-slot
Length
5.7 inches
145 mm
TDP
49 W
Outputs
1x DVI
1x HDMI
1x VGA
Power Connectors
None
Board Number
P1071

Graphics Features

DirectX
12.0 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
CUDA
2.1
Shader Model
5.1

Retail boards based on this design (11)

Name GPU Clock Memory Clock Other Changes
ASUS GT 620 DirectCU Silent 2 GB 700 MHz 910 MHz 2048 MB, 7.4 inches/188 mm
ASUS GT 620 Low Profile V2 700 MHz 600 MHz 6.65 inches/169 mm
ASUS GT 620 Magic 700 MHz 667 MHz 6.65 inches/169 mm
EVGA GT 620 700 MHz 700 MHz 2x DVI 1x mini-HDMI
EVGA GT 620 Low Profile 700 MHz 600 MHz
EVGA GT 620 Low Profile 2 GB 700 MHz 500 MHz 2048 MB
Leadtek WinFast GT 620 ATX 700 MHz 516 MHz 6.3 inches/160 mm
Leadtek WinFast GT 620 ATX 2 GB 700 MHz 516 MHz 2048 MB, 6.3 inches/160 mm
Leadtek WinFast GT 620 Low Profile 700 MHz 667 MHz 6.14 inches/156 mm
Leadtek WinFast GT 620 Low Profile 2 GB 700 MHz 667 MHz 2048 MB, 6.14 inches/156 mm
SPARKLE GT 620 Low Profile 700 MHz 500 MHz 6.06 inches/154 mm