Radeon R9 270 1024SP vs Radeon R7 250E
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1024MB VRAM Radeon R7 250E to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 270 1024SP 's Advantages
Released 1 years and 3 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 72.00GB/s)
512 additional rendering cores
Radeon R7 250E 's Advantages
Lower TDP (55W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
+131%
1894
Radeon R7 250E
819
Graphics Card
Mar 2015
Release Date
Dec 2013
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
1125 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
72.00GB/s
Render Config
16
Compute Units
8
1024
Shading Units
512
64
TMUs
32
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
12.80 GPixel/s
59.20 GTexel/s
Texture Rate
25.60 GTexel/s
1.894 TFLOPS
FP32 (float)
819.2 GFLOPS
118.4 GFLOPS
FP64 (double)
51.20 GFLOPS
Board Design
150W
TDP
55W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
Cape Verde
Pitcairn PRO
(215-0828062)
GPU Variant
Cape Verde PRO
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.5 billion
212 mm²
Die Size
123 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
5.1
Shader Model
5.1
