NVIDIA TITAN X Pascal vs AMD Radeon R9 255 OEM
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Released 2 years and 8 months late
Boost Clock has increased by 65% (1531MHz vs 930MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 73.60GB/s)
3072 additional rendering cores
AMD Radeon R9 255 OEM 's Advantages
Lower TDP (65W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+1052%
10.97 TFLOPS
Radeon R9 255 OEM
0.952 TFLOPS
Graphics Card
Aug 2016
Release Date
Dec 2013
GeForce 10
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1417 MHz
Base Clock
900 MHz
1531 MHz
Boost Clock
930 MHz
1251 MHz
Memory Clock
1150 MHz
Memory
12GB
Memory Size
2GB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
128bit
480.4GB/s
Bandwidth
73.60GB/s
Render Config
-
Compute Units
8
28
SM Count
-
3584
Shading Units
512
224
TMUs
32
96
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
14.88 GPixel/s
342.9 GTexel/s
Texture Rate
29.76 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
952.3 GFLOPS
342.9 GFLOPS
FP64 (double)
59.52 GFLOPS
Board Design
250W
TDP
65W
600 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GP102
GPU Name
Cape Verde
GP102-400-A1
GPU Variant
Cape Verde PRX
Pascal
Architecture
GCN 1.0
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
11.8 billion
Transistors
1.5 billion
471 mm²
Die Size
123 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
6.1
CUDA
-
6.4
Shader Model
5.1
