AMD Radeon RX 6400 vs AMD Radeon RX 480

VS

AMD Radeon RX 6400

AMD Radeon RX 480

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 8GB VRAM Radeon RX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 83% (2321MHz vs 1266MHz)

Lower TDP (53W vs 150W)

AMD Radeon RX 480 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon RX 480 +63%

5.834 TFLOPS

3DMark Time Spy

Radeon RX 6400

3579

Radeon RX 480 +16%

4164

Blender

Radeon RX 6400

334

Radeon RX 480 +11%

374

Shadow of the Tomb Raider 2160p

Radeon RX 6400

8

Radeon RX 480 +112%

17

Shadow of the Tomb Raider 1440p

Radeon RX 6400

20

Radeon RX 480 +75%

35

Shadow of the Tomb Raider 1080p

Radeon RX 6400

35

Radeon RX 480 +42%

50

Radeon RX 6400

VS

Radeon RX 480

Graphics Card

Jan 2022

Release Date

Jun 2016

Navi II

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1923 MHz

Base Clock

1120 MHz

2321 MHz

Boost Clock

1266 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

256.0GB/s

Render Config

12

Compute Units

36

-

768

Shading Units

2304

48

TMUs

144

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

40.51 GPixel/s

111.4 GTexel/s

Texture Rate

182.3 GTexel/s

7.130 TFLOPS

FP16 (half)

5.834 TFLOPS

3.565 TFLOPS

FP32 (float)

5.834 TFLOPS

222.8 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

53W

TDP

150W

250 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Navi 24

GPU Name

Ellesmere

Navi 24 XL (215-135000046)

GPU Variant

Polaris 10 XT (215-0876184)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

5.4 billion

Transistors

5.7 billion

107 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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