AMD Radeon HD 8670M vs NVIDIA GeForce GT 820M

VS

AMD Radeon HD 8670M

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Boost Clock975MHz

224 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 8 months late

Score

Benchmark

FP32 (float)

Radeon HD 8670M +109%

0.624 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon HD 8670M

VS

GeForce GT 820M

Graphics Card

Mar 2013

Release Date

Nov 2013

Solar System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

96

20

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

3.100 GPixel/s

19.50 GTexel/s

Texture Rate

12.40 GTexel/s

-

624.0 GFLOPS

FP32 (float)

297.6 GFLOPS

39.00 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GF117

Sun S3 XT (216-0841009)

GPU Variant

N15V-GM

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

0.585 billion

56 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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