AMD Radeon HD 8770M vs NVIDIA GeForce GTX 680M

VS

AMD Radeon HD 8770M

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 10 months late

Boost Clock has increased by 9% (825MHz vs 758MHz)

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

GeForce GTX 680M +221%

2.038 TFLOPS

Radeon HD 8770M

VS

GeForce GTX 680M

Graphics Card

Apr 2013

Release Date

Jun 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

775 MHz

Base Clock

719 MHz

825 MHz

Boost Clock

758 MHz

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

-

384

Shading Units

1344

24

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

21.22 GPixel/s

19.80 GTexel/s

Texture Rate

84.90 GTexel/s

-

633.6 GFLOPS

FP32 (float)

2.038 TFLOPS

39.60 GFLOPS

FP64 (double)

84.90 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GK104

Mars S3 XT (216-0842018)

GPU Variant

N13E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

3.54 billion

77 mm²

Die Size

294 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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