Radeon R9 270 1024SP vs TITAN X Pascal
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 270 1024SP 's Advantages
Lower TDP (150W vs 250W)
TITAN X Pascal 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 66% (1531MHz vs 925MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 153.6GB/s)
2560 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
1894
TITAN X Pascal
+479%
10970
Graphics Card
Mar 2015
Release Date
Aug 2016
Volcanic Islands
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
1417 MHz
925 MHz
Boost Clock
1531 MHz
1200 MHz
Memory Clock
1251 MHz
Memory
2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5X
256bit
Memory Bus
384bit
153.6GB/s
Bandwidth
480.4GB/s
Render Config
16
Compute Units
-
-
SM Count
28
1024
Shading Units
3584
64
TMUs
224
32
ROPs
96
16 KB (per CU)
L1 Cache
48 KB (per SM)
512 KB
L2 Cache
3 MB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
147.0 GPixel/s
59.20 GTexel/s
Texture Rate
342.9 GTexel/s
-
FP16 (half)
171.5 GFLOPS
1.894 TFLOPS
FP32 (float)
10.97 TFLOPS
118.4 GFLOPS
FP64 (double)
342.9 GFLOPS
Board Design
150W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Pitcairn
GPU Name
GP102
Pitcairn PRO
(215-0828062)
GPU Variant
GP102-400-A1
GCN 1.0
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
2.8 billion
Transistors
11.8 billion
212 mm²
Die Size
471 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
6.1
5.1
Shader Model
6.4
