AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 6GB VRAM GeForce GTX 980 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (345.6GB/s vs 336.6GB/s)

NVIDIA GeForce GTX 980 Ti 's Advantages

Boost Clock1076MHz

256 additional rendering cores

Lower TDP (250W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

GeForce GTX 980 Ti +18%

6.06 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 980 Ti

Graphics Card

Sep 2015

Release Date

Jun 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

1076 MHz

1350 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

345.6GB/s

Bandwidth

336.6GB/s

Render Config

40

Compute Units

-

2560

Shading Units

2816

160

TMUs

176

64

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

3 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

103.3 GPixel/s

160.0 GTexel/s

Texture Rate

189.4 GTexel/s

-

5.120 TFLOPS

FP32 (float)

6.060 TFLOPS

640.0 GFLOPS

FP64 (double)

189.4 GFLOPS

Board Design

580W

TDP

250W

950 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

4x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

GM200

Grenada PRO (215-0880030)

GPU Variant

GM200-310-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

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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