NVIDIA GeForce GTX 870M vs AMD Radeon HD 8770M

VS

NVIDIA GeForce GTX 870M AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Released 11 months late

Boost Clock has increased by 17% (967MHz vs 825MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 72.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M +310%

2.599 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

GeForce GTX 870M

VS

Radeon HD 8770M

Graphics Card

Mar 2014

Release Date

Apr 2013

GeForce 800M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

941 MHz

Base Clock

775 MHz

967 MHz

Boost Clock

825 MHz

1250 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

Compute Units

6

1344

Shading Units

384

112

TMUs

24

ROPs

8

-

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

6.600 GPixel/s

108.3 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

2.599 TFLOPS

FP32 (float)

633.6 GFLOPS

108.3 GFLOPS

FP64 (double)

39.60 GFLOPS

Graphics Processor

GK104

GPU Name

Mars

N15E-GT-A2

GPU Variant

Mars S3 XT (216-0842018)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

0.95 billion

294 mm²

Die Size

77 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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