ATI Mobility Radeon HD 4860 vs NVIDIA GeForce 820M

VS

ATI Mobility Radeon HD 4860

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 2GB VRAM GeForce 820M 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 28.83GB/s)

256 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Released 6 years late

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +33%

0.832 TFLOPS

GeForce 820M

0.622 TFLOPS

Mobility Radeon HD 4860

VS

GeForce 820M

Graphics Card

Mar 2009

Release Date

Mar 2015

M9x

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.83GB/s

Render Config

8

Compute Units

-

640

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

6.480 GPixel/s

20.80 GTexel/s

Texture Rate

25.92 GTexel/s

-

832.0 GFLOPS

FP32 (float)

622.1 GFLOPS

166.4 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M97

GPU Name

GK107

M97 M2 XT (216-0731000)

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

1.27 billion

137 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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