AMD Radeon R9 390X vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon R9 390X

NVIDIA GeForce GTX 980 Ti

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

More VRAM (8GB vs 6GB)

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

NVIDIA GeForce GTX 980 Ti 's Advantages

Boost Clock1076MHz

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

GeForce GTX 980 Ti +2%

6.06 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

GeForce GTX 980 Ti +35%

5754

Radeon R9 390X

VS

GeForce GTX 980 Ti

Graphics Card

Jun 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

1500 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

336.6GB/s

Render Config

44

Compute Units

-

2816

Shading Units

2816

176

TMUs

176

64

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

3 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

103.3 GPixel/s

184.8 GTexel/s

Texture Rate

189.4 GTexel/s

-

5.914 TFLOPS

FP32 (float)

6.060 TFLOPS

739.2 GFLOPS

FP64 (double)

189.4 GFLOPS

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 Processor

Grenada

GPU Name

GM200

Grenada XT (215-0880004)

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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