NVIDIA GeForce GTX 485M vs ATI Mobility Radeon HD 4850 Mac Edition

VS

NVIDIA GeForce GTX 485M ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 485M and 512MB VRAM Mobility Radeon HD 4850 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 485M 's Advantages

Released 1 years and 5 months late

Larger VRAM bandwidth (96.00GB/s vs 54.40GB/s)

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 485M +9%

0.883 TFLOPS

Mobility Radeon HD 4850 Mac Edition

0.804 TFLOPS

GeForce GTX 485M

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

Jan 2011

Release Date

Aug 2009

GeForce 400M

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

750 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

54.40GB/s

Render Config

8

SM Count

-

Compute Units

10

384

Shading Units

800

64

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

8.048 GPixel/s

36.80 GTexel/s

Texture Rate

20.12 GTexel/s

-

FP16 (half)

-

883.2 GFLOPS

FP32 (float)

804.8 GFLOPS

73.60 GFLOPS

FP64 (double)

161.0 GFLOPS

Graphics Processor

GF104

GPU Name

M98

N12E-GTX-A1

GPU Variant

M98 L2 (216-0732019)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.956 billion

332 mm²

Die Size

256 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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