NVIDIA GeForce GTX 670MX vs AMD Radeon HD 6450M

VS

NVIDIA GeForce GTX 670MX AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX 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 670MX 's Advantages

Released 1 years and 9 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (67.20GB/s vs 12.80GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +501%

1.154 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

GeForce GTX 670MX

VS

Radeon HD 6450M

Graphics Card

Oct 2012

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

-

700 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

Compute Units

2

960

Shading Units

160

80

TMUs

8

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

Theoretical Performance

12.02 GPixel/s

Pixel Rate

2.400 GPixel/s

48.08 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1154 GFLOPS

FP32 (float)

192.0 GFLOPS

48.08 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Seymour

N13E-GR-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

75W

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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