NVIDIA GeForce 840A vs AMD Radeon R9 M280X

VS

NVIDIA GeForce 840A

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Boost Clock has increased by 12% (1124MHz vs 1000MHz)

AMD Radeon R9 M280X 's Advantages

Released 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (88.00GB/s vs 16.02GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon R9 M280X +107%

1.792 TFLOPS

GeForce 840A

VS

Radeon R9 M280X

Graphics Card

Mar 2014

Release Date

Feb 2015

GeForce 800A

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

900 MHz

1124 MHz

Boost Clock

1000 MHz

1001 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

14

-

384

Shading Units

896

16

TMUs

56

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

16.00 GPixel/s

17.98 GTexel/s

Texture Rate

56.00 GTexel/s

-

863.2 GFLOPS

FP32 (float)

1.792 TFLOPS

26.98 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

Saturn

-

GPU Variant

Saturn XT (216-0843024)

Maxwell

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

Unknown

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

Related GPU Comparisons

1

NVIDIA GeForce 840A vs NVIDIA NVS 4200M

2

NVIDIA GeForce 840A vs NVIDIA GeForce 9500M GS

3

NVIDIA GeForce 840A vs AMD FirePro W6150M

4

NVIDIA GeForce 840A vs AMD Radeon R9 M275X

5

NVIDIA GeForce 840A vs NVIDIA GeForce GTX 560M

6

NVIDIA GeForce 840A vs NVIDIA GeForce 310M

7

NVIDIA GeForce 840A vs AMD Radeon Pro W5500M

8

NVIDIA GeForce 840A vs AMD Radeon R5 M465

9

NVIDIA GeForce 840A vs NVIDIA GeForce GT 420M

10

NVIDIA GeForce 840A vs NVIDIA GeForce GT 525M

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market