NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon HD 6450M

VS

NVIDIA GeForce GTX 675MX Mac Edition AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Released 2 years and 3 months late

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition +906%

1.933 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

GeForce GTX 675MX Mac Edition

VS

Radeon HD 6450M

Graphics Card

Apr 2013

Release Date

Jan 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

Compute Units

2

1344

Shading Units

160

112

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

20.13 GPixel/s

Pixel Rate

2.400 GPixel/s

80.53 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1.933 TFLOPS

FP32 (float)

192.0 GFLOPS

80.53 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Seymour

N13E-GSR-A2

GPU Variant

Seymour PRO S3 (216-0809024)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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