AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 12GB VRAM GeForce GTX TITAN X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX TITAN X +602%

6.691 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTX TITAN X

Graphics Card

Dec 2013

Release Date

Mar 2015

Volcanic Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1000 MHz

930 MHz

Boost Clock

1089 MHz

1150 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

73.60GB/s

Bandwidth

336.6GB/s

Render Config

8

Compute Units

-

512

Shading Units

3072

32

TMUs

192

16

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

104.5 GPixel/s

29.76 GTexel/s

Texture Rate

209.1 GTexel/s

-

952.3 GFLOPS

FP32 (float)

6.691 TFLOPS

59.52 GFLOPS

FP64 (double)

209.1 GFLOPS

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

No outputs

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde

GPU Name

GM200

Cape Verde PRX

GPU Variant

GM200-400-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

8 billion

123 mm²

Die Size

601 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

5.2

5.1

Shader Model

6.4

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