NVIDIA GeForce GTX 860M vs NVIDIA GeForce GT 320M

VS

NVIDIA GeForce GTX 860M NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

Released 3 years and 10 months late

Boost Clock1085MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (80.19GB/s vs 25.28GB/s)

616 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +2520%

1.389 TFLOPS

GeForce GT 320M

0.053 TFLOPS

GeForce GTX 860M

VS

GeForce GT 320M

Graphics Card

Jan 2014

Release Date

Mar 2010

GeForce 800M

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1253 MHz

Memory Clock

790 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.19GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

3

-

Compute Units

-

640

Shading Units

24

40

TMUs

8

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

64 KB

Theoretical Performance

17.36 GPixel/s

Pixel Rate

4.000 GPixel/s

43.40 GTexel/s

Texture Rate

4.000 GTexel/s

-

FP16 (half)

-

1389 GFLOPS

FP32 (float)

52.80 GFLOPS

43.40 GFLOPS

FP64 (double)

-

Graphics Processor

GM107

GPU Name

GT216

N15P-GX-A1

GPU Variant

-

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.486 billion

148 mm²

Die Size

100 mm²

Board Design

75W

TDP

23W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.2

5.1

Shader Model

4.1

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