AMD Radeon HD 8770M vs NVIDIA GeForce GT 320M

VS

AMD Radeon HD 8770M

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 3 years and 1 months late

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 25.28GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M +1094%

0.633 TFLOPS

GeForce GT 320M

0.053 TFLOPS

Radeon HD 8770M

VS

GeForce GT 320M

Graphics Card

Apr 2013

Release Date

Mar 2010

Solar System

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

775 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

25.28GB/s

Render Config

6

Compute Units

-

SM Count

3

384

Shading Units

24

TMUs

8

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

4.000 GPixel/s

19.80 GTexel/s

Texture Rate

4.000 GTexel/s

-

633.6 GFLOPS

FP32 (float)

52.80 GFLOPS

39.60 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

GT216

Mars S3 XT (216-0842018)

GPU Variant

-

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.486 billion

77 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.2

6.5 (5.1)

Shader Model

4.1

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