ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 805A

VS

ATI Mobility Radeon HD 4850 X2

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 16.02GB/s)

608 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Released 5 years and 6 months late

Boost Clock758MHz

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2 +174%

0.8 TFLOPS

GeForce 805A

0.291 TFLOPS

Mobility Radeon HD 4850 X2

VS

GeForce 805A

Graphics Card

Jan 2009

Release Date

Jul 2014

M9x

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

700 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

89.60GB/s

Bandwidth

16.02GB/s

Render Config

10

Compute Units

-

800

Shading Units

192

40

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

6.064 GPixel/s

20.00 GTexel/s

Texture Rate

12.13 GTexel/s

-

800.0 GFLOPS

FP32 (float)

291.1 GFLOPS

160.0 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

GK208

M98 L2 (216-0732019)

GPU Variant

-

TeraScale

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.02 billion

256 mm²

Die Size

87 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.1

Shader Model

5.1

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