AMD Radeon RX 6900 XTX vs NVIDIA GeForce GT 620 OEM

VS

AMD Radeon RX 6900 XTX

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX 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 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 512GB)

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

5072 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +15880%

24.93 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GT 620 OEM

Graphics Card

Unknown

Release Date

Apr 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 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

80

Compute Units

-

SM Count

1

5120

Shading Units

48

320

TMUs

8

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

1.620 GPixel/s

779.2 GTexel/s

Texture Rate

6.480 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

155.5 GFLOPS

1.558 TFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

330W

TDP

30W

700 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GF119

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.292 billion

520 mm²

Die Size

79 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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