AMD Radeon R7 M340 vs NVIDIA GeForce GT 120M Mac Edition

VS

AMD Radeon R7 M340

NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 256MB VRAM GeForce GT 120M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 7 years late

Boost Clock715MHz

More VRAM (1024GB vs 256GB)

352 additional rendering cores

NVIDIA GeForce GT 120M Mac Edition 's Advantages

Larger VRAM bandwidth (25.34GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340 +586%

0.549 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

Radeon R7 M340

VS

GeForce GT 120M Mac Edition

Graphics Card

Dec 2015

Release Date

Dec 2008

Gem System

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

792 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.34GB/s

Render Config

6

Compute Units

-

SM Count

4

384

Shading Units

32

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

4.000 GPixel/s

17.16 GTexel/s

Texture Rate

8.000 GTexel/s

-

549.1 GFLOPS

FP32 (float)

80.00 GFLOPS

34.32 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

G96C

Opal PRO

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.314 billion

77 mm²

Die Size

121 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5 (5.1)

Shader Model

4.0

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