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GPU Comparison
AMD Radeon 550X 640SP vs AMD Radeon R7 260X
AMD Radeon 550X 640SP vs AMD Radeon R7 260X
VS
AMD Radeon 550X 640SP
AMD Radeon R7 260X
We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM Radeon R7 260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 550X 640SP 's Advantages
Released 4 years and 6 months late
Boost Clock1071MHz
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 115W)
AMD Radeon R7 260X 's Advantages
Larger VRAM bandwidth (104.0GB/s vs 48.00GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 550X 640SP
1.371 TFLOPS
Radeon R7 260X
+43%
1.971 TFLOPS
Radeon 550X 640SP
VS
Radeon R7 260X
Graphics Card
Apr 2018
Release Date
Oct 2013
Polaris
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
1625 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
104.0GB/s
Render Config
-
SM Count
-
10
Compute Units
14
640
Shading Units
896
40
TMUs
56
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
17.60 GPixel/s
42.84 GTexel/s
Texture Rate
61.60 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
1.971 TFLOPS
85.68 GFLOPS
FP64 (double)
123.2 GFLOPS
Graphics Processor
Lexa
GPU Name
Bonaire
Lexa PRO (215-0904018)
GPU Variant
Bonaire XTX (215-0839097)
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
2.08 billion
103 mm²
Die Size
160 mm²
Board Design
50W
TDP
115W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
6.3
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4
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5
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