AMD Radeon HD 6450M vs NVIDIA GeForce GT 745M

VS

AMD Radeon HD 6450M NVIDIA GeForce GT 745M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745M 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

GeForce GT 745M +234%

0.643 TFLOPS

Radeon HD 6450M

VS

GeForce GT 745M

Graphics Card

Jan 2011

Release Date

Apr 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

2

Compute Units

-

160

Shading Units

384

8

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

6.696 GPixel/s

4.800 GTexel/s

Texture Rate

26.78 GTexel/s

-

FP16 (half)

-

192.0 GFLOPS

FP32 (float)

642.8 GFLOPS

-

FP64 (double)

26.78 GFLOPS

Graphics Processor

Seymour

GPU Name

GK107

Seymour PRO S3 (216-0809024)

GPU Variant

N14P-LP

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.27 billion

67 mm²

Die Size

118 mm²

Board Design

Unknown

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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