Home GPU Comparison AMD Radeon RX 6400 vs AMD Radeon RX 550

AMD Radeon RX 6400 vs AMD Radeon RX 550

AMD Radeon RX 6400
VS
AMD Radeon RX 550
AMD Radeon RX 6400
AMD Radeon RX 550
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 2GB VRAM Radeon RX 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages
Released 4 years and 9 months late
Boost Clock has increased by 96% (2321MHz vs 1183MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.0GB/s vs 112.0GB/s)
256 additional rendering cores
AMD Radeon RX 550 's Advantages
Lower TDP (50W vs 53W)

Score

Benchmark

FP32 (float)
Radeon RX 6400 +194%
3.565 TFLOPS
Radeon RX 550
1.211 TFLOPS
3DMark Time Spy
Radeon RX 6400 +198%
3579
Radeon RX 550
1200
Shadow of the Tomb Raider 2160p
Radeon RX 6400 +33%
8
Radeon RX 550
6
Shadow of the Tomb Raider 1440p
Radeon RX 6400 +66%
20
Radeon RX 550
12
Shadow of the Tomb Raider 1080p
Radeon RX 6400 +66%
35
Radeon RX 550
21
Battlefield 5 2160p
Radeon RX 6400 +171%
19
Radeon RX 550
7
Battlefield 5 1440p
Radeon RX 6400 +157%
36
Radeon RX 550
14
Battlefield 5 1080p
Radeon RX 6400 +140%
48
Radeon RX 550
20
Radeon RX 6400
VS
Radeon RX 550

Graphics Card

Jan 2022
Release Date
Apr 2017
Navi II
Generation
Polaris
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x8

Clock Speeds

1923 MHz
Base Clock
1100 MHz
2321 MHz
Boost Clock
1183 MHz
2000 MHz
Memory Clock
1750 MHz

Memory

4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
128bit
128.0GB/s
Bandwidth
112.0GB/s

Render Config

12
Compute Units
8
-
-
-
768
Shading Units
512
48
TMUs
32
32
ROPs
16
-
-
-
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-

Theoretical Performance

74.27 GPixel/s
Pixel Rate
18.93 GPixel/s
111.4 GTexel/s
Texture Rate
37.86 GTexel/s
7.130 TFLOPS
FP16 (half)
1211 GFLOPS
3.565 TFLOPS
FP32 (float)
1211 GFLOPS
222.8 GFLOPS
FP64 (double)
75.71 GFLOPS

Board Design

53W
TDP
50W
250 W
Suggested PSU
250 W
1x HDMI 2.1 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Processor

Navi 24
GPU Name
Lexa
Navi 24 XL (215-135000046)
GPU Variant
Lexa PRO (215-0904018)
RDNA 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
6 nm
Process Size
14 nm
5.4 billion
Transistors
2.2 billion
107 mm²
Die Size
103 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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