AMD Radeon RX 6400 vs AMD Radeon R7 350X OEM

VS

AMD Radeon RX 6400 AMD Radeon R7 350X OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 4GB VRAM Radeon R7 350X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 121% (2321MHz vs 1050MHz)

Larger VRAM bandwidth (128.0GB/s vs 32.00GB/s)

384 additional rendering cores

Lower TDP (53W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +342%

3.565 TFLOPS

Radeon R7 350X OEM

0.806 TFLOPS

Radeon RX 6400

VS

Radeon R7 350X OEM

Graphics Card

Jan 2022

Release Date

May 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

1923 MHz

Base Clock

1000 MHz

2321 MHz

Boost Clock

1050 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

4GB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

12

Compute Units

6

768

Shading Units

384

48

TMUs

24

32

ROPs

8

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

8.400 GPixel/s

111.4 GTexel/s

Texture Rate

25.20 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

806.4 GFLOPS

222.8 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Navi 24

GPU Name

Oland

Navi 24 XL (215-135000046)

GPU Variant

Oland XT (215-0837000)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

0.95 billion

107 mm²

Die Size

77 mm²

Board Design

53W

TDP

65W

250 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

5.1

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