NVIDIA GeForce GT 620M vs ATI Radeon HD 3850 AGP

What is the difference between NVIDIA GeForce GT 620M and ATI Radeon HD 3850 AGP. Find out which graphics card has better performance.

Graphics Processor (GPU)

GF108GPU NameRV670
N13P-GLP-A1Model numberRV670 PRO
(215-0708003)
FermiArchitectureTeraScale
TSMCFoundryTSMC
40 nmProcess Size55 nm
585 millionTransistors666 million
116 mm²Die Size192 mm²

Graphics Card

Aug 23rd, 2012Release DateJan 3rd, 2008
GeForce 600MFamilyRadeon R600
(HD 3800)
End-of-lifeProductionEnd-of-life
GeForce 500MPredecessorRadeon R500 PCIe
PCIe 2.0 x16Bus InterfaceAGP 8x

Memory

1024 MBMemory Size512 MB
DDR3Memory TypeGDDR3
128 bitMemory Bus256 bit
28.80 GB/sBandwidth52.99 GB/s

Performance

2.640 GPixel/sPixel fillrate10.69 GPixel/s
10.56 GTexel/sTexture fillrate10.69 GTexel/s
253.4 GFLOPSFP32 (float) performance427.5 GFLOPS
21.12 GFLOPS (1:12)FP64 (double) performance85.50 GFLOPS (1:5)

Clock Speeds

900 MHz
1800 Mbps effective
Memory Clock828 MHz
1656 Mbps effective
660 MHzGPU Clock668 MHz

Render Config

96Shading Units320
16TMUs16
4ROPs16
256 KBL2 Cache256 KB

Board Design

15 WThermal design power (TDP)75 W
No outputsDisplay Connectors2x DVI
1x S-Video

API support

12 (11_0)DirectX10.1 (10_1)
4.6OpenGL3.3 (full)
4.0 (partial)
1.1OpenCLN/A
N/AVulkanN/A
5.1Shader Model4.1