Radeon RX 550X vs Radeon RX 7950 XT
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 550X 's Advantages
Lower TDP (50W vs 300W)
Radeon RX 7950 XT 's Advantages
Boost Clock has increased by 154% (3000MHz vs 1183MHz)
More VRAM (20GB vs 4GB)
Larger VRAM bandwidth (800.0GB/s vs 96.00GB/s)
4864 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550X
1211
Radeon RX 7950 XT
+5227%
64510
Graphics Card
Dec 2018
Release Date
Unknown
Polaris
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1100 MHz
Base Clock
2000 MHz
1183 MHz
Boost Clock
3000 MHz
1500 MHz
Memory Clock
2500 MHz
Memory
4GB
Memory Size
20GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
320bit
96.00GB/s
Bandwidth
800.0GB/s
Render Config
8
Compute Units
84
512
Shading Units
5376
32
TMUs
336
16
ROPs
192
-
RT Cores
84
16 KB (per CU)
L1 Cache
256 KB per Array
512 KB
L2 Cache
6 MB
-
L3 Cache
80 MB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
576.0 GPixel/s
37.86 GTexel/s
Texture Rate
1008 GTexel/s
1211 GFLOPS
FP16 (half)
129.0 TFLOPS
1211 GFLOPS
FP32 (float)
64.51 TFLOPS
75.71 GFLOPS
FP64 (double)
2.016 TFLOPS
Board Design
50W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
Lexa
GPU Name
Navi 31
Lexa PRO
(215-0904018)
GPU Variant
Navi 31 XT+
GCN 4.0
Architecture
RDNA 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
5 nm
2.2 billion
Transistors
57.7 billion
103 mm²
Die Size
529 mm²
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
6.7
