NVIDIA GeForce GTX 870M vs AMD Radeon HD 7870M

VS

NVIDIA GeForce GTX 870M AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Released 1 years and 11 months late

Boost Clock967MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 64.00GB/s)

704 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +153%

2.599 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

GeForce GTX 870M

VS

Radeon HD 7870M

Graphics Card

Mar 2014

Release Date

Apr 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

10

1344

Shading Units

640

112

TMUs

40

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

Theoretical Performance

27.08 GPixel/s

Pixel Rate

12.80 GPixel/s

108.3 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

2.599 TFLOPS

FP32 (float)

1024 GFLOPS

108.3 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

GK104

GPU Name

Heathrow

N15E-GT-A2

GPU Variant

Heathrow XT (216-0835033)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Board Design

100W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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