AMD Radeon HD 8870M vs NVIDIA GeForce GTX 780M

VS

AMD Radeon HD 8870M

NVIDIA GeForce GTX 780M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 4GB VRAM GeForce GTX 780M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

Boost Clock has increased by 3% (797MHz vs 775MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

GeForce GTX 780M +146%

2.448 TFLOPS

Radeon HD 8870M

VS

GeForce GTX 780M

Graphics Card

Apr 2013

Release Date

May 2013

Solar System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

771 MHz

775 MHz

Boost Clock

797 MHz

1125 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

-

640

Shading Units

1536

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

25.50 GPixel/s

31.00 GTexel/s

Texture Rate

102.0 GTexel/s

-

992.0 GFLOPS

FP32 (float)

2.448 TFLOPS

62.00 GFLOPS

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GK104

Venus XT (216-0846000)

GPU Variant

N14E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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