AMD Radeon RX 7800 vs NVIDIA GeForce GT 620 OEM

VS

AMD Radeon RX 7800

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 10 years and 9 months late

Boost Clock2800MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 14.37GB/s)

3792 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +23823%

37.32 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

Radeon RX 7800

VS

GeForce GT 620 OEM

Graphics Card

Jan 2023

Release Date

Apr 2012

Navi III

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2800 MHz

Boost Clock

-

2250 MHz

Memory Clock

898 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

14.37GB/s

Render Config

60

Compute Units

-

SM Count

1

3840

Shading Units

48

240

TMUs

8

128

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

1.620 GPixel/s

672.0 GTexel/s

Texture Rate

6.480 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

155.5 GFLOPS

1344 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

300W

TDP

30W

700 W

Suggested PSU

200 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

GF119

Navi 32 XT

GPU Variant

-

RDNA 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

Unknown

Transistors

0.292 billion

346 mm²

Die Size

79 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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