ATI Mobility Radeon HD 4850 Mac Edition vs NVIDIA GeForce GT 620M

VS

ATI Mobility Radeon HD 4850 Mac Edition NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4850 Mac Edition and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.80GB/s)

704 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Released 3 years late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 Mac Edition +217%

0.804 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Mobility Radeon HD 4850 Mac Edition

VS

GeForce GT 620M

Graphics Card

Aug 2009

Release Date

Aug 2012

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

10

Compute Units

-

800

Shading Units

96

40

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

8.048 GPixel/s

Pixel Rate

2.640 GPixel/s

20.12 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

804.8 GFLOPS

FP32 (float)

253.4 GFLOPS

161.0 GFLOPS

FP64 (double)

21.12 GFLOPS

Graphics Processor

M98

GPU Name

GF108

M98 L2 (216-0732019)

GPU Variant

N13P-GLP-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.585 billion

256 mm²

Die Size

116 mm²

Board Design

Unknown

TDP

15W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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