NVIDIA GeForce GTX 980 vs AMD Radeon Sky 500

VS

NVIDIA GeForce GTX 980

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Released 1 years and 6 months late

Boost Clock1216MHz

Larger VRAM bandwidth (224.4GB/s vs 153.6GB/s)

768 additional rendering cores

AMD Radeon Sky 500 's Advantages

Lower TDP (150W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +104%

4.981 TFLOPS

Radeon Sky 500

2.432 TFLOPS

GeForce GTX 980

VS

Radeon Sky 500

Graphics Card

Sep 2014

Release Date

Mar 2013

GeForce 900

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

-

1216 MHz

Boost Clock

-

1753 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

2048

Shading Units

1280

128

TMUs

80

64

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

30.40 GPixel/s

155.6 GTexel/s

Texture Rate

76.00 GTexel/s

-

4.981 TFLOPS

FP32 (float)

2.432 TFLOPS

155.6 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

165W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GM204

GPU Name

Pitcairn

GM204-400-A1

GPU Variant

Pitcairn XT GL (215-0828073)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

2.8 billion

398 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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