AMD Radeon RX 6400 vs NVIDIA PG506 242

VS

AMD Radeon RX 6400

NVIDIA PG506 242

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 24GB VRAM PG506 242 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 9 months late

Boost Clock has increased by 61% (2321MHz vs 1440MHz)

Lower TDP (53W vs 165W)

NVIDIA PG506 242 's Advantages

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (933.1GB/s vs 128.0GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

PG506 242 +189%

10.32 TFLOPS

Radeon RX 6400

VS

PG506 242

Graphics Card

Jan 2022

Release Date

Apr 2021

Navi II

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

930 MHz

2321 MHz

Boost Clock

1440 MHz

2000 MHz

Memory Clock

1215 MHz

Memory

4GB

Memory Size

24GB

GDDR6

Memory Type

HBM2

64bit

Memory Bus

3072bit

128.0GB/s

Bandwidth

933.1GB/s

Render Config

12

Compute Units

-

SM Count

56

768

Shading Units

3584

48

TMUs

224

32

ROPs

96

-

Tensor Cores

224

12

RT Cores

-

128 KB per Array

L1 Cache

192 KB (per SM)

1024 KB

L2 Cache

24 MB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

138.2 GPixel/s

111.4 GTexel/s

Texture Rate

322.6 GTexel/s

7.130 TFLOPS

FP16 (half)

10.32 TFLOPS

3.565 TFLOPS

FP32 (float)

10.32 TFLOPS

222.8 GFLOPS

FP64 (double)

5.161 TFLOPS

Board Design

53W

TDP

165W

250 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Processor

Navi 24

GPU Name

GA100

Navi 24 XL (215-135000046)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

54.2 billion

107 mm²

Die Size

826 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

2.2

OpenCL

3.0

1.3

Vulkan

N/A

-

CUDA

8.0

6.7

Shader Model

N/A

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