AMD Radeon 550X 640SP vs NVIDIA GeForce GT 740

VS

AMD Radeon 550X 640SP

NVIDIA GeForce GT 740

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM GeForce GT 740 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 3 years and 11 months late

Boost Clock1071MHz

More VRAM (4GB vs 1024GB)

256 additional rendering cores

Lower TDP (50W vs 64W)

NVIDIA GeForce GT 740 's Advantages

Larger VRAM bandwidth (80.19GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +79%

1.371 TFLOPS

GeForce GT 740

0.763 TFLOPS

Radeon 550X 640SP

VS

GeForce GT 740

Graphics Card

Apr 2018

Release Date

May 2014

Polaris

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

80.19GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

7.944 GPixel/s

42.84 GTexel/s

Texture Rate

31.78 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

762.6 GFLOPS

85.68 GFLOPS

FP64 (double)

31.78 GFLOPS

Board Design

50W

TDP

64W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

GK107

Lexa PRO (215-0904018)

GPU Variant

GK107-425-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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