NVIDIA GeForce GTX 1080 Ti vs AMD Radeon HD 6450

VS

NVIDIA GeForce GTX 1080 Ti AMD Radeon HD 6450

We compared two Desktop platform GPUs: 11GB VRAM GeForce GTX 1080 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 GTX 1080 Ti 's Advantages

Released 5 years and 11 months late

Boost Clock1582MHz

Larger VRAM bandwidth (484.4GB/s vs 25.60GB/s)

3424 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti +5570%

11.34 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce GTX 1080 Ti

VS

Radeon HD 6450

Graphics Card

Mar 2017

Release Date

Apr 2011

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1481 MHz

Base Clock

-

1582 MHz

Boost Clock

-

1376 MHz

Memory Clock

800 MHz

Memory

11GB

Memory Size

512MB

GDDR5X

Memory Type

GDDR5

352bit

Memory Bus

64bit

484.4GB/s

Bandwidth

25.60GB/s

Render Config

28

SM Count

-

Compute Units

2

3584

Shading Units

160

224

TMUs

8

88

ROPs

4

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

0 MB

L2 Cache

128 KB

Theoretical Performance

139.2 GPixel/s

Pixel Rate

2.500 GPixel/s

354.4 GTexel/s

Texture Rate

5.000 GTexel/s

177.2 GFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

200.0 GFLOPS

354.4 GFLOPS

FP64 (double)

-

Graphics Processor

GP102

GPU Name

Caicos

GP102-350-K1-A1

GPU Variant

Caicos PRO

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

11.8 billion

Transistors

0.37 billion

471 mm²

Die Size

67 mm²

Board Design

250W

TDP

18W

600 W

Suggested PSU

200 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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