AMD Radeon HD 8770M vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon HD 8770M

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 8GB VRAM GeForce GTX 980 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 38% (1140MHz vs 825MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

GeForce GTX 980 Mobile +637%

4.669 TFLOPS

Radeon HD 8770M

VS

GeForce GTX 980 Mobile

Graphics Card

Apr 2013

Release Date

Sep 2015

Solar System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

775 MHz

Base Clock

1064 MHz

825 MHz

Boost Clock

1140 MHz

1125 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

224.4GB/s

Render Config

6

Compute Units

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

72.96 GPixel/s

19.80 GTexel/s

Texture Rate

145.9 GTexel/s

-

633.6 GFLOPS

FP32 (float)

4.669 TFLOPS

39.60 GFLOPS

FP64 (double)

145.9 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GM204

Mars S3 XT (216-0842018)

GPU Variant

N16E-GXX-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

5.2 billion

77 mm²

Die Size

398 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.2

6.5 (5.1)

Shader Model

6.7 (6.4)

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