NVIDIA GeForce RTX 4070 vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce RTX 4070

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages

Released 10 years and 11 months late

Boost Clock2475MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (504.2GB/s vs 14.40GB/s)

5792 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 +10736%

29.15 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce RTX 4070

VS

GeForce GT 620

Graphics Card

Apr 2023

Release Date

May 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

1313 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR3

192bit

Memory Bus

64bit

504.2GB/s

Bandwidth

14.40GB/s

Render Config

-

46

SM Count

2

5888

Shading Units

96

184

TMUs

16

64

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

36 MB

L2 Cache

128 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

2.800 GPixel/s

455.4 GTexel/s

Texture Rate

11.20 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

268.8 GFLOPS

455.4 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

200W

TDP

49W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD104

GPU Name

GF108

AD104-250-A1

GPU Variant

GF108-100-KB-A1

Ada Lovelace

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

0.585 billion

295 mm²

Die Size

116 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

8.9

CUDA

2.1

6.7

Shader Model

5.1

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