AMD Radeon RX 550 640SP vs NVIDIA GeForce GTX 745 OEM

VS

AMD Radeon RX 550 640SP NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Released 3 years and 8 months late

Boost Clock1071MHz

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

256 additional rendering cores

NVIDIA GeForce GTX 745 OEM 's Advantages

More VRAM (4GB vs 2GB)

Lower TDP (55W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP +72%

1.371 TFLOPS

GeForce GTX 745 OEM

0.793 TFLOPS

Radeon RX 550 640SP

VS

GeForce GTX 745 OEM

Graphics Card

Oct 2017

Release Date

Feb 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

900 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

384

40

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

16.53 GPixel/s

42.84 GTexel/s

Texture Rate

24.79 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

793.3 GFLOPS

85.68 GFLOPS

FP64 (double)

24.79 GFLOPS

Graphics Processor

Baffin

GPU Name

GM107

Baffin LE

GPU Variant

GM107-220-A2

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.87 billion

123 mm²

Die Size

148 mm²

Board Design

60W

TDP

55W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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