NVIDIA GeForce GTX 850A vs AMD Radeon Pro 455

VS

NVIDIA GeForce GTX 850A AMD Radeon Pro 455

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock936MHz

AMD Radeon Pro 455 's Advantages

Released 2 years and 7 months late

Larger VRAM bandwidth (81.28GB/s vs 28.80GB/s)

128 additional rendering cores

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A

1.198 TFLOPS

Radeon Pro 455 +9%

1.313 TFLOPS

GeForce GTX 850A

VS

Radeon Pro 455

Graphics Card

Mar 2014

Release Date

Oct 2016

GeForce 800A

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

Compute Units

12

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

13.68 GPixel/s

37.44 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

1198 GFLOPS

FP32 (float)

1313 GFLOPS

37.44 GFLOPS

FP64 (double)

82.08 GFLOPS

Graphics Processor

GM107

GPU Name

Baffin

N15P-GT-A1

GPU Variant

Baffin PRO

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.87 billion

Transistors

3 billion

148 mm²

Die Size

123 mm²

Board Design

45W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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