AMD Radeon R9 390X vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon R9 390X NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X 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 390X 's Advantages

Larger VRAM bandwidth (384.0GB/s vs 336.6GB/s)

NVIDIA GeForce GTX TITAN X 's Advantages

Boost Clock1089MHz

More VRAM (12GB vs 8GB)

256 additional rendering cores

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

GeForce GTX TITAN X +13%

6.691 TFLOPS

Radeon R9 390X

VS

GeForce GTX TITAN X

Graphics Card

Jun 2015

Release Date

Mar 2015

Pirate Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1089 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

336.6GB/s

Render Config

-

SM Count

-

44

Compute Units

-

2816

Shading Units

3072

176

TMUs

192

64

ROPs

96

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

3 MB

Theoretical Performance

67.20 GPixel/s

Pixel Rate

104.5 GPixel/s

184.8 GTexel/s

Texture Rate

209.1 GTexel/s

-

FP16 (half)

-

5.914 TFLOPS

FP32 (float)

6.691 TFLOPS

739.2 GFLOPS

FP64 (double)

209.1 GFLOPS

Graphics Processor

Grenada

GPU Name

GM200

Grenada XT (215-0880004)

GPU Variant

GM200-400-A1

GCN 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

8 billion

438 mm²

Die Size

601 mm²

Board Design

275W

TDP

250W

600 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 + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.3

Shader Model

6.4

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