Home GPU Comparison AMD Radeon R9 280X2 vs AMD Radeon 550

AMD Radeon R9 280X2 vs AMD Radeon 550

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 56.00GB/s)
1536 additional rendering cores
AMD Radeon 550 's Advantages
Boost Clock has increased by 18% (1183MHz vs 1000MHz)
Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)
Radeon R9 280X2 +238%
4.096 TFLOPS
Radeon 550
1.211 TFLOPS
VS

Graphics Card

Unknown
Release Date
Apr 2017
Volcanic Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

950 MHz
Base Clock
1100 MHz
1000 MHz
Boost Clock
1183 MHz
1500 MHz
Memory Clock
1750 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
64bit
288.0GB/s
Bandwidth
56.00GB/s

Render Config

32
Compute Units
8
-
-
-
2048
Shading Units
512
128
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
18.93 GPixel/s
128.0 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
4.096 TFLOPS
FP32 (float)
1211 GFLOPS
1024 GFLOPS
FP64 (double)
75.71 GFLOPS

Board Design

375W
TDP
50W
750 W
Suggested PSU
250 W
6x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
3x 8-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
Lexa
Tahiti XTL (215-0821065)
GPU Variant
Lexa PRO (215-0904018)
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
4.313 billion
Transistors
2.2 billion
352 mm²
Die Size
103 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.7

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