AMD Radeon E9173 PCIe vs NVIDIA GeForce GT 645M

VS

AMD Radeon E9173 PCIe NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM Radeon E9173 PCIe and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9173 PCIe 's Advantages

Released 5 years late

Boost Clock1219MHz

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

128 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

Radeon E9173 PCIe +129%

1.248 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon E9173 PCIe

VS

GeForce GT 645M

Graphics Card

Oct 2017

Release Date

Oct 2012

Embedded

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

8

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

19.50 GPixel/s

Pixel Rate

5.672 GPixel/s

39.01 GTexel/s

Texture Rate

22.69 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

544.5 GFLOPS

78.02 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

Lexa

GPU Name

GK107

E9170

GPU Variant

N13P-GS

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 mm²

Board Design

35W

TDP

32W

-

Suggested PSU

-

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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