AMD Radeon Sky 900 vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon Sky 900

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 6GB VRAM GeForce GTX 980 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Ti 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 13% (1076MHz vs 950MHz)

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (336.6GB/s vs 240.0GB/s)

1024 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900

3.405 TFLOPS

GeForce GTX 980 Ti +77%

6.06 TFLOPS

Radeon Sky 900

VS

GeForce GTX 980 Ti

Graphics Card

Mar 2013

Release Date

Jun 2015

Radeon Sky

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

825 MHz

Base Clock

1000 MHz

950 MHz

Boost Clock

1076 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

336.6GB/s

Render Config

28

Compute Units

-

1792

Shading Units

2816

112

TMUs

176

32

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

3 MB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

103.3 GPixel/s

106.4 GTexel/s

Texture Rate

189.4 GTexel/s

-

3.405 TFLOPS

FP32 (float)

6.060 TFLOPS

851.2 GFLOPS

FP64 (double)

189.4 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GM200

Orthrus

GPU Variant

GM200-310-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

8 billion

352 mm²

Die Size

601 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.4

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