AMD Radeon RX 460 1024SP vs AMD Radeon RX 6400

VS

AMD Radeon RX 460 1024SP AMD Radeon RX 6400

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

256 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 5 years late

Boost Clock has increased by 93% (2321MHz vs 1200MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 112.0GB/s)

Lower TDP (53W vs 75W)

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP

2.458 TFLOPS

Radeon RX 6400 +45%

3.565 TFLOPS

Radeon RX 460 1024SP

VS

Radeon RX 6400

Graphics Card

Jan 2017

Release Date

Jan 2022

Arctic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1090 MHz

Base Clock

1923 MHz

1200 MHz

Boost Clock

2321 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

16

Compute Units

12

1024

Shading Units

768

64

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

Theoretical Performance

19.20 GPixel/s

Pixel Rate

74.27 GPixel/s

76.80 GTexel/s

Texture Rate

111.4 GTexel/s

2.458 TFLOPS

FP16 (half)

7.130 TFLOPS

2.458 TFLOPS

FP32 (float)

3.565 TFLOPS

153.6 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

Baffin

GPU Name

Navi 24

Baffin XT

GPU Variant

Navi 24 XL (215-135000046)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

3 billion

Transistors

5.4 billion

123 mm²

Die Size

107 mm²

Board Design

75W

TDP

53W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.6

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