NVIDIA GeForce GTS 450 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTS 450

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 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 GTS 450 's Advantages

Larger VRAM bandwidth (57.73GB/s vs 48.00GB/s)

AMD Radeon 550X 640SP 's Advantages

Released 7 years and 7 months late

Boost Clock1071MHz

More VRAM (4GB vs 1024GB)

448 additional rendering cores

Lower TDP (50W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon 550X 640SP +128%

1.371 TFLOPS

GeForce GTS 450

VS

Radeon 550X 640SP

Graphics Card

Sep 2010

Release Date

Apr 2018

GeForce 400

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

902 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

57.73GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

4

SM Count

-

192

Shading Units

640

32

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

17.14 GPixel/s

25.06 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

601.3 GFLOPS

FP32 (float)

1371 GFLOPS

50.11 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

106W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

GF106

GPU Name

Lexa

GF106-250-KA-A1

GPU Variant

Lexa PRO (215-0904018)

Fermi

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

2.2 billion

238 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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