NVIDIA GeForce RTX 3070 vs NVIDIA GeForce GT 620 OEM

VS

NVIDIA GeForce RTX 3070

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 's Advantages

Released 8 years and 5 months late

Boost Clock1725MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 14.37GB/s)

5840 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 +12919%

20.31 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

GeForce RTX 3070

VS

GeForce GT 620 OEM

Graphics Card

Sep 2020

Release Date

Apr 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

1725 MHz

Boost Clock

-

1750 MHz

Memory Clock

898 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

14.37GB/s

Render Config

-

46

SM Count

1

5888

Shading Units

48

184

TMUs

8

96

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

165.6 GPixel/s

Pixel Rate

1.620 GPixel/s

317.4 GTexel/s

Texture Rate

6.480 GTexel/s

20.31 TFLOPS

FP16 (half)

-

20.31 TFLOPS

FP32 (float)

155.5 GFLOPS

317.4 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

220W

TDP

30W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 12-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

GF119

GA104-300-A1

GPU Variant

-

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.292 billion

392 mm²

Die Size

79 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.6

Shader Model

5.1

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