ATI Mobility Radeon HD 4860 vs NVIDIA GeForce 840M

VS

ATI Mobility Radeon HD 4860

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

256 additional rendering cores

NVIDIA GeForce 840M 's Advantages

Released 5 years late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860

0.832 TFLOPS

GeForce 840M +3%

0.863 TFLOPS

Mobility Radeon HD 4860

VS

GeForce 840M

Graphics Card

Mar 2009

Release Date

Mar 2014

M9x

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

16.02GB/s

Render Config

8

Compute Units

-

640

Shading Units

384

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

8.992 GPixel/s

20.80 GTexel/s

Texture Rate

17.98 GTexel/s

-

832.0 GFLOPS

FP32 (float)

863.2 GFLOPS

166.4 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M97

GPU Name

GM108

M97 M2 XT (216-0731000)

GPU Variant

N15S-GT

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

Unknown

137 mm²

Die Size

Unknown

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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