AMD Radeon RX 570 vs AMD Radeon HD 6450

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 570 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 's Advantages

Released 6 years late

Boost Clock1244MHz

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1888 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570 +2447%

5.095 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon RX 570

VS

Radeon HD 6450

Graphics Card

Apr 2017

Release Date

Apr 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1244 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

224.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

39.81 GPixel/s

Pixel Rate

2.500 GPixel/s

159.2 GTexel/s

Texture Rate

5.000 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

200.0 GFLOPS

318.5 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 20

GPU Name

Caicos

Polaris 20 XL (215-0910052)

GPU Variant

Caicos PRO

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Board Design

150W

TDP

18W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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