ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce GT 745M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce GT 745M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 45W)

NVIDIA GeForce GT 745M 's Advantages

Released 3 years and 7 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.28GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce GT 745M +47%

0.643 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce GT 745M

Graphics Card

Sep 2009

Release Date

Apr 2013

M9x

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

790 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

6.696 GPixel/s

21.76 GTexel/s

Texture Rate

26.78 GTexel/s

-

435.2 GFLOPS

FP32 (float)

642.8 GFLOPS

-

FP64 (double)

26.78 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GK107

M96 XT (216-0729051)

GPU Variant

N14P-LP

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.27 billion

146 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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