NVIDIA GeForce GTX 850A vs ATI Mobility Radeon X1900

VS

NVIDIA GeForce GTX 850A ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 7 years and 2 months late

Boost Clock936MHz

640 additional rendering cores

ATI Mobility Radeon X1900 's Advantages

Larger VRAM bandwidth (30.08GB/s vs 28.80GB/s)

Score

GeForce GTX 850A

VS

Mobility Radeon X1900

Graphics Card

Mar 2014

Release Date

Jan 2007

GeForce 800A

Generation

M6x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-III

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

470 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

Compute Units

-

640

Shading Units

-

40

TMUs

12

16

ROPs

12

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

4.800 GPixel/s

37.44 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1198 GFLOPS

FP32 (float)

-

37.44 GFLOPS

FP64 (double)

-

Graphics Processor

GM107

GPU Name

M68

N15P-GT-A1

GPU Variant

-

Maxwell

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.87 billion

Transistors

0.312 billion

148 mm²

Die Size

230 mm²

Board Design

45W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

3.0

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