NVIDIA TITAN X Pascal vs AMD Radeon R9 390 X2

VS

NVIDIA TITAN X Pascal

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA TITAN X Pascal 's Advantages

Released 11 months late

Boost Clock1531MHz

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (480.4GB/s vs 345.6GB/s)

1024 additional rendering cores

Lower TDP (250W vs 580W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +114%

10.97 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

TITAN X Pascal

VS

Radeon R9 390 X2

Graphics Card

Aug 2016

Release Date

Sep 2015

GeForce 10

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1531 MHz

Boost Clock

-

1251 MHz

Memory Clock

1350 MHz

Memory

12GB

Memory Size

8GB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

512bit

480.4GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

28

SM Count

-

3584

Shading Units

2560

224

TMUs

160

96

ROPs

64

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

1024 KB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

64.00 GPixel/s

342.9 GTexel/s

Texture Rate

160.0 GTexel/s

171.5 GFLOPS

FP16 (half)

-

10.97 TFLOPS

FP32 (float)

5.120 TFLOPS

342.9 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

250W

TDP

580W

600 W

Suggested PSU

950 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

GP102

GPU Name

Grenada

GP102-400-A1

GPU Variant

Grenada PRO (215-0880030)

Pascal

Architecture

GCN 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

6.2 billion

471 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

6.3

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