NVIDIA GeForce GTX 850A vs ATI Mobility Radeon HD 4670

VS

NVIDIA GeForce GTX 850A ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 5 years and 2 months late

Boost Clock936MHz

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

320 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +177%

1.198 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

GeForce GTX 850A

VS

Mobility Radeon HD 4670

Graphics Card

Mar 2014

Release Date

Jan 2009

GeForce 800A

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

Compute Units

4

640

Shading Units

320

40

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

5.400 GPixel/s

37.44 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

1198 GFLOPS

FP32 (float)

432.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Graphics Processor

GM107

GPU Name

M96

N15P-GT-A1

GPU Variant

M96 XT (216-0729051)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

0.514 billion

148 mm²

Die Size

146 mm²

Board Design

45W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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