AMD Radeon R7 M340 vs NVIDIA GeForce 800M

VS

AMD Radeon R7 M340

NVIDIA GeForce 800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 1024MB VRAM GeForce 800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 1 years and 9 months late

Boost Clock715MHz

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M340 +286%

0.549 TFLOPS

GeForce 800M

0.142 TFLOPS

Radeon R7 M340

VS

GeForce 800M

Graphics Card

Dec 2015

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

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

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

1

384

Shading Units

48

24

TMUs

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

1.476 GPixel/s

17.16 GTexel/s

Texture Rate

5.904 GTexel/s

-

549.1 GFLOPS

FP32 (float)

141.7 GFLOPS

34.32 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

GF117

Opal PRO

GPU Variant

N14M-GL

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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