NVIDIA GeForce RTX 2080 Ti vs AMD Radeon HD 6450

VS

NVIDIA GeForce RTX 2080 Ti

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 11GB VRAM GeForce RTX 2080 Ti and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Ti 's Advantages

Released 7 years and 5 months late

Boost Clock1545MHz

More VRAM (11GB vs 512GB)

Larger VRAM bandwidth (616.0GB/s vs 25.60GB/s)

4192 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Ti +6625%

13.45 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce RTX 2080 Ti

VS

Radeon HD 6450

Graphics Card

Sep 2018

Release Date

Apr 2011

GeForce 20

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1350 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

11GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

352bit

Memory Bus

64bit

616.0GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

2

68

SM Count

-

4352

Shading Units

160

272

TMUs

8

88

ROPs

4

544

Tensor Cores

-

68

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

0 MB

L2 Cache

128 KB

-

Theoretical Performance

136.0 GPixel/s

Pixel Rate

2.500 GPixel/s

420.2 GTexel/s

Texture Rate

5.000 GTexel/s

26.90 TFLOPS

FP16 (half)

-

13.45 TFLOPS

FP32 (float)

200.0 GFLOPS

420.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

18W

600 W

Suggested PSU

200 W

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

TU102

GPU Name

Caicos

TU102-300A-K1-A1

GPU Variant

Caicos PRO

Turing

Architecture

TeraScale 2

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

18.6 billion

Transistors

0.37 billion

754 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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