NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 1080 11Gbps

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 11Gbps 's Advantages

Boost Clock has increased by 62% (1733MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (352.3GB/s vs 48.00GB/s)

1920 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 1 years late

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 11Gbps +547%

8.873 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 1080 11Gbps

VS

Radeon 550X 640SP

Graphics Card

Apr 2017

Release Date

Apr 2018

GeForce 10

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1607 MHz

Base Clock

1019 MHz

1733 MHz

Boost Clock

1071 MHz

1376 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

64bit

352.3GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

20

SM Count

-

2560

Shading Units

640

160

TMUs

40

64

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

17.14 GPixel/s

277.3 GTexel/s

Texture Rate

42.84 GTexel/s

138.6 GFLOPS

FP16 (half)

1371 GFLOPS

8.873 TFLOPS

FP32 (float)

1371 GFLOPS

277.3 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

180W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

GP104

GPU Name

Lexa

GP104-410-A1

GPU Variant

Lexa PRO (215-0904018)

Pascal

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

16 nm

Process Size

14 nm

7.2 billion

Transistors

2.2 billion

314 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

6.4

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