NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon HD 8950M

VS

NVIDIA GeForce GTX 780M Mac Edition

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 6 months late

Boost Clock797MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 88.00GB/s)

768 additional rendering cores

AMD Radeon HD 8950M 's Advantages

Lower TDP (100W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +48%

2.448 TFLOPS

Radeon HD 8950M

1.651 TFLOPS

GeForce GTX 780M Mac Edition

VS

Radeon HD 8950M

Graphics Card

Nov 2013

Release Date

May 2013

GeForce 700M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

12

-

1536

Shading Units

768

128

TMUs

48

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

17.20 GPixel/s

102.0 GTexel/s

Texture Rate

51.60 GTexel/s

-

2.448 TFLOPS

FP32 (float)

1.651 TFLOPS

102.0 GFLOPS

FP64 (double)

103.2 GFLOPS

Board Design

122W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Saturn

N14E-GTX-A2

GPU Variant

Saturn XT

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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