AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 1080 Ti

VS

AMD Radeon 550X 640SP NVIDIA GeForce GTX 1080 Ti

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

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 1 years and 1 months late

Lower TDP (50W vs 250W)

NVIDIA GeForce GTX 1080 Ti 's Advantages

Boost Clock has increased by 48% (1582MHz vs 1071MHz)

More VRAM (11GB vs 4GB)

Larger VRAM bandwidth (484.4GB/s vs 48.00GB/s)

2944 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 1080 Ti +727%

11.34 TFLOPS

Radeon 550X 640SP

VS

GeForce GTX 1080 Ti

Graphics Card

Apr 2018

Release Date

Mar 2017

Polaris

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1481 MHz

1071 MHz

Boost Clock

1582 MHz

1500 MHz

Memory Clock

1376 MHz

Memory

4GB

Memory Size

11GB

GDDR5

Memory Type

GDDR5X

64bit

Memory Bus

352bit

48.00GB/s

Bandwidth

484.4GB/s

Render Config

-

SM Count

28

10

Compute Units

-

640

Shading Units

3584

40

TMUs

224

16

ROPs

88

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

0 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

139.2 GPixel/s

42.84 GTexel/s

Texture Rate

354.4 GTexel/s

1371 GFLOPS

FP16 (half)

177.2 GFLOPS

1371 GFLOPS

FP32 (float)

11.34 TFLOPS

85.68 GFLOPS

FP64 (double)

354.4 GFLOPS

Graphics Processor

Lexa

GPU Name

GP102

Lexa PRO (215-0904018)

GPU Variant

GP102-350-K1-A1

GCN 4.0

Architecture

Pascal

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

16 nm

2.2 billion

Transistors

11.8 billion

103 mm²

Die Size

471 mm²

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

6.4

Shader Model

6.4

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