AMD Radeon Pro 455 vs NVIDIA GeForce GTX 850A

VS

AMD Radeon Pro 455

NVIDIA GeForce GTX 850A

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

Main Differences

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)

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock936MHz

Score

Benchmark

FP32 (float)

Radeon Pro 455 +9%

1.313 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

Radeon Pro 455

VS

GeForce GTX 850A

Graphics Card

Oct 2016

Release Date

Mar 2014

Radeon Pro Mac

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

902 MHz

-

Boost Clock

936 MHz

1270 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

-

768

Shading Units

640

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

14.98 GPixel/s

41.04 GTexel/s

Texture Rate

37.44 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

1198 GFLOPS

82.08 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

GM107

Baffin PRO

GPU Variant

N15P-GT-A1

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.87 billion

123 mm²

Die Size

148 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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