AMD Radeon HD 6450 OEM vs AMD Radeon 550X 640SP

VS

AMD Radeon HD 6450 OEM AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 50W)

AMD Radeon 550X 640SP 's Advantages

Released 7 years and 2 months late

Boost Clock1071MHz

Larger VRAM bandwidth (48.00GB/s vs 8.528GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon 550X 640SP +585%

1.371 TFLOPS

Radeon HD 6450 OEM

VS

Radeon 550X 640SP

Graphics Card

Feb 2011

Release Date

Apr 2018

Northern Islands

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

533 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

2

Compute Units

10

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

17.14 GPixel/s

5.000 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

200.0 GFLOPS

FP32 (float)

1371 GFLOPS

-

FP64 (double)

85.68 GFLOPS

Graphics Processor

Caicos

GPU Name

Lexa

Junbonator

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Board Design

18W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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