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GPU Comparison
AMD Radeon Sky 500 vs AMD Radeon R7 265
AMD Radeon Sky 500 vs AMD Radeon R7 265
VS
AMD Radeon Sky 500
AMD Radeon R7 265
We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Sky 500 's Advantages
More VRAM (4GB vs 2GB)
256 additional rendering cores
AMD Radeon R7 265 's Advantages
Released 11 months late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 153.6GB/s)
Score
Benchmark
FP32 (float)
Radeon Sky 500
+28%
2.432 TFLOPS
Radeon R7 265
1.894 TFLOPS
Radeon Sky 500
VS
Radeon R7 265
Graphics Card
Mar 2013
Release Date
Feb 2014
Radeon Sky
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1200 MHz
Memory Clock
1400 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
179.2GB/s
Render Config
-
SM Count
-
20
Compute Units
16
1280
Shading Units
1024
80
TMUs
64
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
30.40 GPixel/s
Pixel Rate
29.60 GPixel/s
76.00 GTexel/s
Texture Rate
59.20 GTexel/s
-
FP16 (half)
-
2.432 TFLOPS
FP32 (float)
1.894 TFLOPS
152.0 GFLOPS
FP64 (double)
118.4 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Pitcairn
Pitcairn XT GL (215-0828073)
GPU Variant
Pitcairn PRO (215-0828062)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.8 billion
212 mm²
Die Size
212 mm²
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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