NVIDIA GeForce GT 740A vs AMD Radeon HD 8670A

VS

NVIDIA GeForce GT 740A

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740A 's Advantages

Released 6 months late

More VRAM (2GB vs 1024GB)

Lower TDP (33W vs 45W)

AMD Radeon HD 8670A 's Advantages

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 740A +63%

0.753 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

GeForce GT 740A

VS

Radeon HD 8670A

Graphics Card

Aug 2013

Release Date

Feb 2013

GeForce 700A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

32

TMUs

24

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

4.800 GPixel/s

31.36 GTexel/s

Texture Rate

14.40 GTexel/s

-

752.6 GFLOPS

FP32 (float)

460.8 GFLOPS

31.36 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

Mars

GT 740M

GPU Variant

Mars XT

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

0.95 billion

87 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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