AMD Radeon HD 8770M vs NVIDIA GeForce GTX 770M

VS

AMD Radeon HD 8770M

NVIDIA GeForce GTX 770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 3GB VRAM GeForce GTX 770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Boost Clock has increased by 4% (825MHz vs 797MHz)

NVIDIA GeForce GTX 770M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (96.19GB/s vs 72.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

GeForce GTX 770M +141%

1.53 TFLOPS

Radeon HD 8770M

VS

GeForce GTX 770M

Graphics Card

Apr 2013

Release Date

May 2013

Solar System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

775 MHz

Base Clock

706 MHz

825 MHz

Boost Clock

797 MHz

1125 MHz

Memory Clock

1002 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

96.19GB/s

Render Config

6

Compute Units

-

384

Shading Units

960

24

TMUs

80

8

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

15.94 GPixel/s

19.80 GTexel/s

Texture Rate

63.76 GTexel/s

-

633.6 GFLOPS

FP32 (float)

1.530 TFLOPS

39.60 GFLOPS

FP64 (double)

63.76 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GK106

Mars S3 XT (216-0842018)

GPU Variant

N14E-GS-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.54 billion

77 mm²

Die Size

221 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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