AMD Radeon RX 6800 vs ATI Radeon HD 4450

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 8 years and 11 months late

Boost Clock2105MHz

Larger VRAM bandwidth (512.0GB/s vs 6.400GB/s)

3760 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +16743%

16.17 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon RX 6800

VS

Radeon HD 4450

Graphics Card

Oct 2020

Release Date

Nov 2011

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

60

Compute Units

1

3840

Shading Units

80

240

TMUs

8

96

ROPs

4

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

64 KB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

2.400 GPixel/s

505.2 GTexel/s

Texture Rate

4.800 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

96.00 GFLOPS

1010 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

RV710

Navi 21 XL (215-121000187)

GPU Variant

RV710 (215-0725016)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.242 billion

520 mm²

Die Size

73 mm²

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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