NVIDIA GeForce GTX 750 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 750

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 750 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 750 's Advantages

Boost Clock has increased by 1% (1085MHz vs 1071MHz)

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

AMD Radeon 550X 640SP 's Advantages

Released 4 years and 2 months late

More VRAM (4GB vs 1024GB)

128 additional rendering cores

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

GeForce GTX 750

1.111 TFLOPS

Radeon 550X 640SP +23%

1.371 TFLOPS

GeForce GTX 750

VS

Radeon 550X 640SP

Graphics Card

Feb 2014

Release Date

Apr 2018

GeForce 700

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

1019 MHz

1085 MHz

Boost Clock

1071 MHz

1253 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

17.14 GPixel/s

34.72 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

1111 GFLOPS

FP32 (float)

1371 GFLOPS

34.72 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

55W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 2.0

Outputs

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

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

Lexa

GM107-300-A2

GPU Variant

Lexa PRO (215-0904018)

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.87 billion

Transistors

2.2 billion

148 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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