AMD Radeon HD 6450 OEM vs NVIDIA RTX A4000H

VS

AMD Radeon HD 6450 OEM

NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 16GB VRAM RTX A4000H 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 140W)

NVIDIA RTX A4000H 's Advantages

Released 10 years and 2 months late

Boost Clock1560MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 8.528GB/s)

5984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

RTX A4000H +9485%

19.17 TFLOPS

Radeon HD 6450 OEM

VS

RTX A4000H

Graphics Card

Feb 2011

Release Date

Apr 2021

Northern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

533 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

448.0GB/s

Render Config

2

Compute Units

-

SM Count

48

160

Shading Units

6144

8

TMUs

192

4

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

149.8 GPixel/s

5.000 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

200.0 GFLOPS

FP32 (float)

19.17 TFLOPS

-

FP64 (double)

299.5 GFLOPS

Board Design

18W

TDP

140W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

GA104

Junbonator

GPU Variant

GA104-???-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.37 billion

Transistors

17.4 billion

67 mm²

Die Size

392 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.7

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