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GPU Comparison
AMD Radeon R9 270 1024SP vs AMD Radeon R9 295X2
AMD Radeon R9 270 1024SP vs AMD Radeon R9 295X2
VS
AMD Radeon R9 270 1024SP
AMD Radeon R9 295X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 4GB VRAM Radeon R9 295X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 1024SP 's Advantages
Released 11 months late
Boost Clock925MHz
Lower TDP (150W vs 500W)
AMD Radeon R9 295X2 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (320.0GB/s vs 153.6GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
1.894 TFLOPS
Radeon R9 295X2
+202%
5.733 TFLOPS
Radeon R9 270 1024SP
VS
Radeon R9 295X2
Graphics Card
Mar 2015
Release Date
Apr 2014
Volcanic Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1200 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
153.6GB/s
Bandwidth
320.0GB/s
Render Config
-
SM Count
-
16
Compute Units
44
1024
Shading Units
2816
64
TMUs
176
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
65.15 GPixel/s
59.20 GTexel/s
Texture Rate
179.2 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
5.733 TFLOPS
118.4 GFLOPS
FP64 (double)
716.7 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Vesuvius
Pitcairn PRO (215-0828062)
GPU Variant
Vesuvius XT (215-0852022)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
6.2 billion
212 mm²
Die Size
438 mm²
Board Design
150W
TDP
500W
450 W
Suggested PSU
900 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 4x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 8-pin
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
6.3
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