ATI Mobility Radeon HD 4650 vs NVIDIA GeForce GTX 780M Mac Edition

VS

ATI Mobility Radeon HD 4650

NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 4 years and 10 months late

Boost Clock797MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 19.20GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

GeForce GTX 780M Mac Edition +665%

2.448 TFLOPS

Mobility Radeon HD 4650

VS

GeForce GTX 780M Mac Edition

Graphics Card

Jan 2009

Release Date

Nov 2013

M9x

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

600 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

19.20GB/s

Bandwidth

160.0GB/s

Render Config

4

Compute Units

-

320

Shading Units

1536

32

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

25.50 GPixel/s

16.00 GTexel/s

Texture Rate

102.0 GTexel/s

-

320.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

35W

TDP

122W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GK104

-

GPU Variant

N14E-GTX-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

3.54 billion

146 mm²

Die Size

294 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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