AMD Radeon HD 8670A vs NVIDIA GeForce 825M

VS

AMD Radeon HD 8670A

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

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

NVIDIA GeForce 825M 's Advantages

Released 11 months late

Boost Clock941MHz

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce 825M +56%

0.723 TFLOPS

Radeon HD 8670A

VS

GeForce 825M

Graphics Card

Feb 2013

Release Date

Jan 2014

All-In-One

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

7.528 GPixel/s

14.40 GTexel/s

Texture Rate

30.11 GTexel/s

-

460.8 GFLOPS

FP32 (float)

722.7 GFLOPS

28.80 GFLOPS

FP64 (double)

30.11 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GK208

Mars XT

GPU Variant

-

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.02 billion

77 mm²

Die Size

87 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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