AMD Radeon RX 6400 vs AMD Radeon RX 6900 XT

VS

AMD Radeon RX 6400 AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 3% (2321MHz vs 2250MHz)

Lower TDP (53W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

4352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon RX 6900 XT +546%

23.04 TFLOPS

3DMark Time Spy

Radeon RX 6400

3579

Radeon RX 6900 XT +484%

20915

Blender

Radeon RX 6400

325

Radeon RX 6900 XT +787%

2883

Shadow of the Tomb Raider 2160p

Radeon RX 6400

8

Radeon RX 6900 XT +887%

79

Shadow of the Tomb Raider 1440p

Radeon RX 6400

20

Radeon RX 6900 XT +610%

142

Shadow of the Tomb Raider 1080p

Radeon RX 6400

35

Radeon RX 6900 XT +454%

194

Cyberpunk 2077 2160p

Radeon RX 6400

8

Radeon RX 6900 XT +725%

66

Cyberpunk 2077 1440p

Radeon RX 6400

11

Radeon RX 6900 XT +600%

77

Cyberpunk 2077 1080p

Radeon RX 6400

21

Radeon RX 6900 XT +452%

116

Battlefield 5 2160p

Radeon RX 6400

19

Radeon RX 6900 XT +500%

114

Battlefield 5 1440p

Radeon RX 6400

36

Radeon RX 6900 XT +455%

200

Battlefield 5 1080p

Radeon RX 6400

48

Radeon RX 6900 XT +318%

201

Radeon RX 6400

VS

Radeon RX 6900 XT

Graphics Card

Jan 2022

Release Date

Oct 2020

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

1825 MHz

2321 MHz

Boost Clock

2250 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

12

Compute Units

80

768

Shading Units

5120

48

TMUs

320

32

ROPs

128

-

Tensor Cores

-

12

RT Cores

80

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

288.0 GPixel/s

111.4 GTexel/s

Texture Rate

720.0 GTexel/s

7.130 TFLOPS

FP16 (half)

46.08 TFLOPS

3.565 TFLOPS

FP32 (float)

23.04 TFLOPS

222.8 GFLOPS

FP64 (double)

1440 GFLOPS

Graphics Processor

Navi 24

GPU Name

Navi 21

Navi 24 XL (215-135000046)

GPU Variant

Navi 21 XTX (215-121000167)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

26.8 billion

107 mm²

Die Size

520 mm²

Board Design

53W

TDP

300W

250 W

Suggested PSU

700 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.6

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1650

2

AMD Radeon RX 6400 vs AMD Radeon Pro V7350X2

3

AMD Radeon RX 6400 vs Intel Arc A310

4

AMD Radeon RX 6400 vs AMD Radeon RX 550

5

AMD Radeon RX 6400 vs NVIDIA GeForce 8500 GT

6

AMD Radeon RX 6400 vs NVIDIA GeForce RTX 3050 6 GB

7

AMD Radeon RX 6400 vs AMD Radeon RX 570

8

AMD Radeon RX 6400 vs NVIDIA GeForce 8300 GS

9

AMD Radeon RX 6400 vs ATI Radeon HD 3410

10

AMD Radeon RX 6400 vs NVIDIA A16 PCIe

Related News

1

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

2

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

3

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

4

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

5

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

6

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

7

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

8

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

9

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

10

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2