AMD Radeon 550X vs NVIDIA GeForce GTX 780 Ti Engineering Sample

VS

AMD Radeon 550X

NVIDIA GeForce GTX 780 Ti Engineering Sample

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Boost Clock has increased by 31% (1218MHz vs 928MHz)

Lower TDP (50W vs 250W)

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 112.0GB/s)

2368 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

GeForce GTX 780 Ti Engineering Sample +328%

5.345 TFLOPS

Radeon 550X

VS

GeForce GTX 780 Ti Engineering Sample

Graphics Card

Mar 2019

Release Date

Unknown

Polaris

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

875 MHz

1218 MHz

Boost Clock

928 MHz

1750 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

336.6GB/s

Render Config

8

Compute Units

-

512

Shading Units

2880

32

TMUs

240

16

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

55.68 GPixel/s

38.98 GTexel/s

Texture Rate

222.7 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

5.345 TFLOPS

77.95 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Lexa

GPU Name

GK180

Lexa PRO (215-0904018)

GPU Variant

GK180-425-A1

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

7.08 billion

103 mm²

Die Size

561 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.2.175

-

CUDA

3.5

6.4

Shader Model

5.1

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