AMD Radeon HD 8670A vs NVIDIA GeForce GT 445M

VS

AMD Radeon HD 8670A

NVIDIA GeForce GT 445M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 1024MB VRAM GeForce GT 445M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 2 years and 5 months late

240 additional rendering cores

NVIDIA GeForce GT 445M 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 16.00GB/s)

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8670A +40%

0.461 TFLOPS

GeForce GT 445M

0.328 TFLOPS

Radeon HD 8670A

VS

GeForce GT 445M

Graphics Card

Feb 2013

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

625 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

40.00GB/s

Render Config

6

Compute Units

-

SM Count

3

384

Shading Units

144

24

TMUs

24

8

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

3.420 GPixel/s

14.40 GTexel/s

Texture Rate

13.68 GTexel/s

-

460.8 GFLOPS

FP32 (float)

328.3 GFLOPS

28.80 GFLOPS

FP64 (double)

27.36 GFLOPS

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

GF106

Mars XT

GPU Variant

N11E-GE-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.17 billion

77 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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