NVIDIA GeForce GT 640M vs AMD Radeon Pro 455

VS

NVIDIA GeForce GT 640M AMD Radeon Pro 455

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M 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 GT 640M 's Advantages

Lower TDP (32W vs 35W)

AMD Radeon Pro 455 's Advantages

Released 4 years and 7 months late

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

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M

0.48 TFLOPS

Radeon Pro 455 +173%

1.313 TFLOPS

GeForce GT 640M

VS

Radeon Pro 455

Graphics Card

Mar 2012

Release Date

Oct 2016

GeForce 600M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

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

384

Shading Units

768

32

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

13.68 GPixel/s

20.00 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

480.0 GFLOPS

FP32 (float)

1313 GFLOPS

20.00 GFLOPS

FP64 (double)

82.08 GFLOPS

Graphics Processor

GK107

GPU Name

Baffin

N13P-GS

GPU Variant

Baffin PRO

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

3 billion

118 mm²

Die Size

123 mm²

Board Design

32W

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

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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