Home GPU Comparison AMD Radeon 550X vs AMD Radeon RX 9070 XT

AMD Radeon 550X vs AMD Radeon RX 9070 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 16GB VRAM Radeon RX 9070 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages
Lower TDP (50W vs 260W)
AMD Radeon RX 9070 XT 's Advantages
Boost Clock has increased by 122% (2700MHz vs 1218MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (624.1GB/s vs 112.0GB/s)
3584 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon 550X
1.247 TFLOPS
Radeon RX 9070 XT +1673%
22.12 TFLOPS
VS

Graphics Card

Mar 2019
Release Date
Unknown
Polaris
Generation
Navi IV(RX 9000)
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

1082 MHz
Base Clock
2210 MHz
1218 MHz
Boost Clock
2700 MHz
1750 MHz
Memory Clock
2438 MHz

Memory

2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
256bit
112.0GB/s
Bandwidth
624.1GB/s

Render Config

8
Compute Units
64
-
-
-
512
Shading Units
4096
32
TMUs
256
16
ROPs
96
-
-
-
-
RT Cores
64
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
-
L3 Cache
64 MB

Theoretical Performance

19.49 GPixel/s
Pixel Rate
259.2 GPixel/s
38.98 GTexel/s
Texture Rate
691.2 GTexel/s
1247 GFLOPS
FP16 (half)
44.24 TFLOPS
1247 GFLOPS
FP32 (float)
22.12 TFLOPS
77.95 GFLOPS
FP64 (double)
691.2 GFLOPS

Board Design

50W
TDP
260W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
None
Power Connectors
2x 8-pin

Graphics Processor

Lexa
GPU Name
Navi 48
Lexa PRO (215-0904018)
GPU Variant
Navi 48 XT
GCN 4.0
Architecture
RDNA 4.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
4 nm
2.2 billion
Transistors
Unknown
103 mm²
Die Size
Unknown

Graphics Features

12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.2
Vulkan
1.3
-
-
-
6.4
Shader Model
6.8

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