NVIDIA GeForce GTX 960 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 960 AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 960 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 960 's Advantages

Boost Clock has increased by 10% (1178MHz vs 1071MHz)

Larger VRAM bandwidth (112.2GB/s vs 48.00GB/s)

384 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 960 +76%

2.413 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 960

VS

Radeon 550X 640SP

Graphics Card

Jan 2015

Release Date

Apr 2018

GeForce 900

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1127 MHz

Base Clock

1019 MHz

1178 MHz

Boost Clock

1071 MHz

1753 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

112.2GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

Compute Units

10

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

37.70 GPixel/s

Pixel Rate

17.14 GPixel/s

75.39 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

2.413 TFLOPS

FP32 (float)

1371 GFLOPS

75.39 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

GM206

GPU Name

Lexa

GM206-300-A1

GPU Variant

Lexa PRO (215-0904018)

Maxwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.94 billion

Transistors

2.2 billion

228 mm²

Die Size

103 mm²

Board Design

120W

TDP

50W

300 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.4

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