AMD Radeon HD 8870M vs ATI Mobility Radeon HD 4850 Mac Edition

VS

AMD Radeon HD 8870M

ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M 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

AMD Radeon HD 8870M 's Advantages

Released 3 years and 8 months late

Boost Clock775MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 54.40GB/s)

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M +23%

0.992 TFLOPS

Mobility Radeon HD 4850 Mac Edition

0.804 TFLOPS

Radeon HD 8870M

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

Apr 2013

Release Date

Aug 2009

Solar System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

54.40GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

8.048 GPixel/s

31.00 GTexel/s

Texture Rate

20.12 GTexel/s

-

992.0 GFLOPS

FP32 (float)

804.8 GFLOPS

62.00 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

M98

Venus XT (216-0846000)

GPU Variant

M98 L2 (216-0732019)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.956 billion

123 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon HD 8870M vs AMD Radeon Pro Vega 48

2

AMD Radeon HD 8870M vs NVIDIA GeForce MX330

3

AMD Radeon HD 8870M vs AMD Radeon HD 7650A

4

AMD Radeon HD 8870M vs NVIDIA GeForce 8600M GS

5

AMD Radeon HD 8870M vs AMD Radeon R5 M330

6

AMD Radeon HD 8870M vs NVIDIA GeForce 8400M GT

7

AMD Radeon HD 8870M vs NVIDIA RTX 1000 Mobile Ada Generation

8

AMD Radeon HD 8870M vs NVIDIA RTX 5000 Embedded Ada Generation

9

AMD Radeon HD 8870M vs NVIDIA GeForce 840M

10

AMD Radeon HD 8870M vs NVIDIA GeForce 940M

Related News

1

Intel's Entry-Level CPU Core Ultra 3 205 Spotted: Only One Model Available

2

Introducing the AMD Ryzen 9 9955HX: A First Look at the Flagship Gaming Laptop CPU

3

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

4

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

5

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

6

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

7

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

8

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

9

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

10

CXMT Reportedly Achieves 80% Yield in DDR5 Production