AMD Radeon RX 6400 vs AMD Radeon RX 6750 GRE 12 GB

VS

AMD Radeon RX 6400

AMD Radeon RX 6750 GRE 12 GB

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 12GB VRAM Radeon RX 6750 GRE 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Lower TDP (53W vs 250W)

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 11% (2581MHz vs 2321MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (432.0GB/s vs 128.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon RX 6750 GRE 12 GB +270%

13.21 TFLOPS

3DMark Time Spy

Radeon RX 6400

3579

Radeon RX 6750 GRE 12 GB +252%

12612

Blender

Radeon RX 6400

334

Radeon RX 6750 GRE 12 GB +367%

1561

Radeon RX 6400

VS

Radeon RX 6750 GRE 12 GB

Graphics Card

Jan 2022

Release Date

Oct 2023

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

2321 MHz

Boost Clock

2581 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

192bit

128.0GB/s

Bandwidth

432.0GB/s

Render Config

12

Compute Units

40

-

768

Shading Units

2560

48

TMUs

160

32

ROPs

64

-

12

RT Cores

40

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

3 MB

16 MB

L3 Cache

96 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

165.2 GPixel/s

111.4 GTexel/s

Texture Rate

413.0 GTexel/s

7.130 TFLOPS

FP16 (half)

26.43 TFLOPS

3.565 TFLOPS

FP32 (float)

13.21 TFLOPS

222.8 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

53W

TDP

250W

250 W

Suggested PSU

600 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 24

GPU Name

Navi 22

Navi 24 XL (215-135000046)

GPU Variant

Navi 22 KXT (215-127000144)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

17.2 billion

107 mm²

Die Size

335 mm²

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

-

6.7

Shader Model

6.7

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