NVIDIA GeForce GTX TITAN vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce GTX TITAN

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN 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 GeForce GTX TITAN 's Advantages

Boost Clock876MHz

128 additional rendering cores

Lower TDP (250W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 2 years and 7 months late

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (345.6GB/s vs 288.4GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN

4.709 TFLOPS

Radeon R9 390 X2 +8%

5.12 TFLOPS

GeForce GTX TITAN

VS

Radeon R9 390 X2

Graphics Card

Feb 2013

Release Date

Sep 2015

GeForce 700

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

836 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

1350 MHz

Memory

6GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

512bit

288.4GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

-

2688

Shading Units

2560

224

TMUs

160

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

1024 KB

-

Theoretical Performance

49.06 GPixel/s

Pixel Rate

64.00 GPixel/s

196.2 GTexel/s

Texture Rate

160.0 GTexel/s

-

4.709 TFLOPS

FP32 (float)

5.120 TFLOPS

1.570 TFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

250W

TDP

580W

600 W

Suggested PSU

950 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

GK110

GPU Name

Grenada

GK110-400-A1

GPU Variant

Grenada PRO (215-0880030)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

6.2 billion

561 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.3

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