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

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

AMD Radeon 550X

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

Main Differences

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

AMD Radeon 550X 's Advantages

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

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +328%

5.345 TFLOPS

Radeon 550X

1.247 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon 550X

Graphics Card

Unknown

Release Date

Mar 2019

GeForce 700

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

875 MHz

Base Clock

1082 MHz

928 MHz

Boost Clock

1218 MHz

1753 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

8

-

2880

Shading Units

512

240

TMUs

32

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

19.49 GPixel/s

222.7 GTexel/s

Texture Rate

38.98 GTexel/s

-

FP16 (half)

1247 GFLOPS

5.345 TFLOPS

FP32 (float)

1247 GFLOPS

222.7 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK180

GPU Name

Lexa

GK180-425-A1

GPU Variant

Lexa PRO (215-0904018)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

7.08 billion

Transistors

2.2 billion

561 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.2.175

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.4

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