AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 750 GM206

VS

AMD Radeon 550X 640SP NVIDIA GeForce GTX 750 GM206

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM GeForce GTX 750 GM206 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 2 years and 5 months late

More VRAM (4GB vs 2GB)

128 additional rendering cores

Lower TDP (50W vs 60W)

NVIDIA GeForce GTX 750 GM206 's Advantages

Boost Clock has increased by 16% (1239MHz vs 1071MHz)

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

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +8%

1.371 TFLOPS

GeForce GTX 750 GM206

1.269 TFLOPS

Radeon 550X 640SP

VS

GeForce GTX 750 GM206

Graphics Card

Apr 2018

Release Date

Nov 2015

Polaris

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1087 MHz

1071 MHz

Boost Clock

1239 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

512

40

TMUs

32

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

39.65 GPixel/s

42.84 GTexel/s

Texture Rate

39.65 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1269 GFLOPS

85.68 GFLOPS

FP64 (double)

39.65 GFLOPS

Graphics Processor

Lexa

GPU Name

GM206

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Maxwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.94 billion

103 mm²

Die Size

228 mm²

Board Design

50W

TDP

60W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 2.0

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.4

Shader Model

6.4

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