AMD Radeon HD 8970M vs NVIDIA GeForce GTX 870M

VS

AMD Radeon HD 8970M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (153.6GB/s vs 120.0GB/s)

NVIDIA GeForce GTX 870M 's Advantages

Released 10 months late

Boost Clock has increased by 7% (967MHz vs 900MHz)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8970M

2.304 TFLOPS

GeForce GTX 870M +12%

2.599 TFLOPS

Radeon HD 8970M

VS

GeForce GTX 870M

Graphics Card

May 2013

Release Date

Mar 2014

Solar System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

941 MHz

900 MHz

Boost Clock

967 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

120.0GB/s

Render Config

20

Compute Units

-

1280

Shading Units

1344

80

TMUs

112

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

27.08 GPixel/s

72.00 GTexel/s

Texture Rate

108.3 GTexel/s

-

2.304 TFLOPS

FP32 (float)

2.599 TFLOPS

144.0 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Neptune

GPU Name

GK104

Neptune XT (216-0847000)

GPU Variant

N15E-GT-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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