NVIDIA GeForce GTX 650 Ti Boost vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 650 Ti Boost

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti Boost 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 650 Ti Boost 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 48.00GB/s)

128 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 5 years and 1 months late

Boost Clock has increased by 4% (1071MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 134W)

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti Boost +15%

1.585 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 650 Ti Boost

VS

Radeon 550X 640SP

Graphics Card

Mar 2013

Release Date

Apr 2018

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

980 MHz

Base Clock

1019 MHz

1032 MHz

Boost Clock

1071 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

768

Shading Units

640

64

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

16.51 GPixel/s

Pixel Rate

17.14 GPixel/s

66.05 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

1.585 TFLOPS

FP32 (float)

1371 GFLOPS

66.05 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

134W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

Lexa

GK106-240-A1

GPU Variant

Lexa PRO (215-0904018)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.54 billion

Transistors

2.2 billion

221 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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