Product Compare

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

GPU GPU
Graphics Card
Release Date Oct 2023 Jan 2022
Generation Navi II Navi II
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x4
Clock Speeds
Base Clock 2321 MHz 1923 MHz
Boost Clock 2581 MHz 2321 MHz
Memory Clock 2250 MHz 2000 MHz
Memory
Memory Size 12GB 4GB
Memory Type GDDR6 GDDR6
Memory Bus 192bit 64bit
Bandwidth 432.0GB/s 128.0GB/s
Render Config
Compute Units 40 12
Shading Units 2560 768
TMUs 160 48
ROPs 64 32
RT Cores 40 12
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 3 MB 1024 KB
L3 Cache 96 MB 16 MB
Theoretical Performance
Pixel Rate 165.2 GPixel/s 74.27 GPixel/s
Texture Rate 413.0 GTexel/s 111.4 GTexel/s
FP16 (half) 26.43 TFLOPS 7.130 TFLOPS
FP32 (float) 13.21 TFLOPS 3.565 TFLOPS
FP64 (double) 825.9 GFLOPS 222.8 GFLOPS
Graphics Processor
GPU Name Navi 22 Navi 24
GPU Variant Navi 22 KXT(215-127000144) Navi 24 XL(215-135000046)
Architecture RDNA 2.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 7 nm 6 nm
Transistors 17.2 billion 5.4 billion
Die Size 335 mm² 107 mm²
Board Design
TDP 250W 53W
Suggested PSU 600 W 250 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x HDMI 2.11x DisplayPort 1.4a
Power Connectors 1x 6-pin + 1x 8-pin None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 2.2
Vulkan 1.3 1.3
Shader Model 6.7 6.7