ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon HD 4870 X2

VS

ATI Mobility Radeon HD 4850 X2

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Mobility Radeon HD 4870 X2 +10%

0.88 TFLOPS

Mobility Radeon HD 4850 X2

VS

Mobility Radeon HD 4870 X2

Graphics Card

Jan 2009

Release Date

Jan 2009

M9x

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

89.60GB/s

Bandwidth

89.60GB/s

Render Config

10

Compute Units

10

-

800

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

8.000 GPixel/s

Pixel Rate

8.800 GPixel/s

20.00 GTexel/s

Texture Rate

22.00 GTexel/s

-

800.0 GFLOPS

FP32 (float)

880.0 GFLOPS

160.0 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

M98

GPU Name

M98

M98 L2 (216-0732019)

GPU Variant

M98 XT L2 (216-0732023)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.956 billion

256 mm²

Die Size

256 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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