ATI Mobility Radeon HD 4860 vs AMD Radeon HD 8670A

VS

ATI Mobility Radeon HD 4860

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)

256 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Released 3 years and 11 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +80%

0.832 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Mobility Radeon HD 4860

VS

Radeon HD 8670A

Graphics Card

Mar 2009

Release Date

Feb 2013

M9x

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

16.00GB/s

Render Config

8

Compute Units

6

-

640

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

4.800 GPixel/s

20.80 GTexel/s

Texture Rate

14.40 GTexel/s

-

832.0 GFLOPS

FP32 (float)

460.8 GFLOPS

166.4 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M97

GPU Name

Mars

M97 M2 XT (216-0731000)

GPU Variant

Mars XT

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

0.95 billion

137 mm²

Die Size

77 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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