NVIDIA GeForce GTX TITAN X vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX TITAN X

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X 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 GeForce GTX TITAN X 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 17% (1089MHz vs 930MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 73.60GB/s)

2560 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN X +602%

6.691 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX TITAN X

VS

Radeon R9 255 OEM

Graphics Card

Mar 2015

Release Date

Dec 2013

GeForce 900

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

900 MHz

1089 MHz

Boost Clock

930 MHz

1753 MHz

Memory Clock

1150 MHz

Memory

12GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

-

3072

Shading Units

512

192

TMUs

32

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

104.5 GPixel/s

Pixel Rate

14.88 GPixel/s

209.1 GTexel/s

Texture Rate

29.76 GTexel/s

-

6.691 TFLOPS

FP32 (float)

952.3 GFLOPS

209.1 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

GM200

GPU Name

Cape Verde

GM200-400-A1

GPU Variant

Cape Verde PRX

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8 billion

Transistors

1.5 billion

601 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

5.2

CUDA

-

6.4

Shader Model

5.1

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