Home GPU Comparison AMD Radeon RX 550 512SP vs AMD Radeon R9 255 OEM

AMD Radeon RX 550 512SP vs AMD Radeon R9 255 OEM

AMD Radeon RX 550 512SP
VS
AMD Radeon R9 255 OEM
AMD Radeon RX 550 512SP
AMD Radeon R9 255 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 15% (1071MHz vs 930MHz)
Larger VRAM bandwidth (96.00GB/s vs 73.60GB/s)
Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)
Radeon RX 550 512SP +15%
1.097 TFLOPS
Radeon R9 255 OEM
0.952 TFLOPS
Radeon RX 550 512SP
VS
Radeon R9 255 OEM

Graphics Card

Oct 2017
Release Date
Dec 2013
Polaris
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1019 MHz
Base Clock
900 MHz
1071 MHz
Boost Clock
930 MHz
1500 MHz
Memory Clock
1150 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
73.60GB/s

Render Config

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

Theoretical Performance

17.14 GPixel/s
Pixel Rate
14.88 GPixel/s
34.27 GTexel/s
Texture Rate
29.76 GTexel/s
1097 GFLOPS
FP16 (half)
-
1097 GFLOPS
FP32 (float)
952.3 GFLOPS
68.54 GFLOPS
FP64 (double)
59.52 GFLOPS

Board Design

50W
TDP
65W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
1x 6-pin

Graphics Processor

Baffin
GPU Name
Cape Verde
Baffin LE
GPU Variant
Cape Verde PRX
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
1.5 billion
123 mm²
Die Size
123 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1

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