AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 1080

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 8GB VRAM GeForce GTX 1080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 180W)

NVIDIA GeForce GTX 1080 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 87% (1733MHz vs 925MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 153.6GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

GeForce GTX 1080 +368%

8.873 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 1080

Graphics Card

Mar 2015

Release Date

May 2016

Volcanic Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1607 MHz

925 MHz

Boost Clock

1733 MHz

1200 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

320.3GB/s

Render Config

16

Compute Units

-

SM Count

20

1024

Shading Units

2560

64

TMUs

160

32

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

110.9 GPixel/s

59.20 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

1.894 TFLOPS

FP32 (float)

8.873 TFLOPS

118.4 GFLOPS

FP64 (double)

277.3 GFLOPS

Board Design

150W

TDP

180W

450 W

Suggested PSU

450 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

Power Connectors

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

GP104

Pitcairn PRO (215-0828062)

GPU Variant

GP104-400-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

2.8 billion

Transistors

7.2 billion

212 mm²

Die Size

314 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

6.1

5.1

Shader Model

6.4

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