AMD Radeon HD 6490M vs NVIDIA GeForce GT 620 OEM

Table of Contents

Graphics Processor

GPU model Seymour GF119
GPU variant Seymour XTX (216-0810005)
Architecture TeraScale 2 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 370 million 292 million
Die size 67 mm² 79 mm²

Mobile graphics

Release date Jan 4th, 2011
Generation Vancouver (HD 6400M)
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Manhattan
Successor London

Clocks

GPU clock 800 MHz 810 MHz
Memory clock 800 MHz 3.2 Gbps effective 898 MHz 1796 Mbps effective
Shader clock 1620 MHz

Memory Configuration

Memory size 512 MB 512 MB
Memory type GDDR5 DDR3
Memory bus width 64 bit 64 bit
Bandwidth 25.60 GB/s 14.37 GB/s

Render Configuration

Shading units 160 48
TMUs 8 8
ROPs 4 4
Compute units 2
Cache L1 8 KB (per CU) 64 KB (per SM)
Cache L2 128 KB 128 KB
SM count 1

Performance

Pixel rate 3.200 GPixel/s 1.620 GPixel/s
Texture rate 6.400 GTexel/s 6.480 GTexel/s
FP32 (float) performance 256.0 GFLOPS 155.5 GFLOPS
FP64 (double) performance 12.96 GFLOPS (1:12)

Dimensions & Outputs

TDP unknown 30 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Slot width Single-slot
Length 145 mm 5.7 inches
Suggested PSU 200 W
Power connectors None
Board number P1310

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 5.1
CUDA 2.1

Other Features

Graphics Card

Release date Apr 2nd, 2012
Generation GeForce 600
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 500
Successor GeForce 700

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