AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX TITAN BLACK

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GTX TITAN BLACK

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 6GB VRAM GeForce GTX TITAN BLACK to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 1 years and 7 months late

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (345.6GB/s vs 336.0GB/s)

NVIDIA GeForce GTX TITAN BLACK 's Advantages

Boost Clock980MHz

320 additional rendering cores

Lower TDP (250W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

GeForce GTX TITAN BLACK +10%

5.645 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX TITAN BLACK

Graphics Card

Sep 2015

Release Date

Feb 2014

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

889 MHz

-

Boost Clock

980 MHz

1350 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

345.6GB/s

Bandwidth

336.0GB/s

Render Config

40

Compute Units

-

2560

Shading Units

2880

160

TMUs

240

64

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

1536 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

58.80 GPixel/s

160.0 GTexel/s

Texture Rate

235.2 GTexel/s

-

5.120 TFLOPS

FP32 (float)

5.645 TFLOPS

640.0 GFLOPS

FP64 (double)

1.882 TFLOPS

Board Design

580W

TDP

250W

950 W

Suggested PSU

600 W

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

Outputs

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

4x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

GK110B

Grenada PRO (215-0880030)

GPU Variant

GK110-430-B1

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

7.08 billion

438 mm²

Die Size

561 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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