ATI Mobility Radeon HD 4860 vs AMD Radeon HD 6970M Mac Edition

VS

ATI Mobility Radeon HD 4860 AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Released 2 years and 5 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon HD 6970M Mac Edition +56%

1.306 TFLOPS

Mobility Radeon HD 4860

VS

Radeon HD 6970M Mac Edition

Graphics Card

Mar 2009

Release Date

Aug 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

8

Compute Units

12

640

Shading Units

960

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

10.40 GPixel/s

Pixel Rate

21.76 GPixel/s

20.80 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP16 (half)

-

832.0 GFLOPS

FP32 (float)

1306 GFLOPS

166.4 GFLOPS

FP64 (double)

-

Graphics Processor

M97

GPU Name

Blackcomb

M97 M2 XT (216-0731000)

GPU Variant

Blackcomb XT (216-0811000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

1.7 billion

137 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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