ATI Mobility Radeon HD 4850 Mac Edition vs AMD Radeon HD 6970M

VS

ATI Mobility Radeon HD 4850 Mac Edition AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4850 Mac Edition and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

Released 1 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 54.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 Mac Edition

0.804 TFLOPS

Radeon HD 6970M +62%

1.306 TFLOPS

Mobility Radeon HD 4850 Mac Edition

VS

Radeon HD 6970M

Graphics Card

Aug 2009

Release Date

Jan 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

10

Compute Units

12

800

Shading Units

960

40

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

8.048 GPixel/s

Pixel Rate

21.76 GPixel/s

20.12 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP16 (half)

-

804.8 GFLOPS

FP32 (float)

1306 GFLOPS

161.0 GFLOPS

FP64 (double)

-

Graphics Processor

M98

GPU Name

Blackcomb

M98 L2 (216-0732019)

GPU Variant

Blackcomb XT (216-0811000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.7 billion

256 mm²

Die Size

212 mm²

Board Design

Unknown

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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