NVIDIA TITAN X Pascal vs AMD Radeon 550X 640SP

VS

NVIDIA TITAN X Pascal

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA TITAN X Pascal 's Advantages

Boost Clock has increased by 43% (1531MHz vs 1071MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (480.4GB/s vs 48.00GB/s)

2944 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 1 years and 8 months late

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +700%

10.97 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

TITAN X Pascal

VS

Radeon 550X 640SP

Graphics Card

Aug 2016

Release Date

Apr 2018

GeForce 10

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1417 MHz

Base Clock

1019 MHz

1531 MHz

Boost Clock

1071 MHz

1251 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

4GB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

64bit

480.4GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

28

SM Count

-

3584

Shading Units

640

224

TMUs

40

96

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

17.14 GPixel/s

342.9 GTexel/s

Texture Rate

42.84 GTexel/s

171.5 GFLOPS

FP16 (half)

1371 GFLOPS

10.97 TFLOPS

FP32 (float)

1371 GFLOPS

342.9 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

250W

TDP

50W

600 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 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GP102

GPU Name

Lexa

GP102-400-A1

GPU Variant

Lexa PRO (215-0904018)

Pascal

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

16 nm

Process Size

14 nm

11.8 billion

Transistors

2.2 billion

471 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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