Home GPU Comparison AMD Radeon RX 550 vs AMD Radeon 550X 640SP

AMD Radeon RX 550 vs AMD Radeon 550X 640SP

AMD Radeon RX 550
VS
AMD Radeon 550X 640SP
AMD Radeon RX 550
AMD Radeon 550X 640SP
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages
Boost Clock has increased by 10% (1183MHz vs 1071MHz)
Larger VRAM bandwidth (112.0GB/s vs 48.00GB/s)
AMD Radeon 550X 640SP 's Advantages
Released 1 years late
More VRAM (4GB vs 2GB)
128 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 550
1.211 TFLOPS
Radeon 550X 640SP +13%
1.371 TFLOPS
Radeon RX 550
VS
Radeon 550X 640SP

Graphics Card

Apr 2017
Release Date
Apr 2018
Polaris
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

1100 MHz
Base Clock
1019 MHz
1183 MHz
Boost Clock
1071 MHz
1750 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
112.0GB/s
Bandwidth
48.00GB/s

Render Config

8
Compute Units
10
-
-
-
512
Shading Units
640
32
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

18.93 GPixel/s
Pixel Rate
17.14 GPixel/s
37.86 GTexel/s
Texture Rate
42.84 GTexel/s
1211 GFLOPS
FP16 (half)
1371 GFLOPS
1211 GFLOPS
FP32 (float)
1371 GFLOPS
75.71 GFLOPS
FP64 (double)
85.68 GFLOPS

Board Design

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

Graphics Processor

Lexa
GPU Name
Lexa
Lexa PRO (215-0904018)
GPU Variant
Lexa PRO (215-0904018)
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
2.2 billion
Transistors
2.2 billion
103 mm²
Die Size
103 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
6.4

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