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GPU Comparison
AMD Radeon 550 vs AMD Radeon HD 6870 X2
AMD Radeon 550 vs AMD Radeon HD 6870 X2
VS
AMD Radeon 550
AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon 550 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 550 's Advantages
Released 5 years and 9 months late
Boost Clock1183MHz
More VRAM (2GB vs 1GB)
Lower TDP (50W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 56.00GB/s)
608 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 550
1.211 TFLOPS
Radeon HD 6870 X2
+66%
2.016 TFLOPS
Radeon 550
VS
Radeon HD 6870 X2
Graphics Card
Apr 2017
Release Date
Jul 2011
Polaris
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1183 MHz
Boost Clock
-
1750 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
56.00GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
8
Compute Units
14
512
Shading Units
1120
32
TMUs
56
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
28.80 GPixel/s
37.86 GTexel/s
Texture Rate
50.40 GTexel/s
1211 GFLOPS
FP16 (half)
-
1211 GFLOPS
FP32 (float)
2.016 TFLOPS
75.71 GFLOPS
FP64 (double)
-
Graphics Processor
Lexa
GPU Name
Barts
Lexa PRO (215-0904018)
GPU Variant
Barts XT (215-0798000)
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
2.2 billion
Transistors
1.7 billion
103 mm²
Die Size
255 mm²
Board Design
50W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
5.0
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