AMD Radeon HD 6850M vs NVIDIA GeForce GT 820M

VS

AMD Radeon HD 6850M NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M 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 6850M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

704 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 2 years and 10 months late

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6850M +262%

1.08 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon HD 6850M

VS

GeForce GT 820M

Graphics Card

Jan 2011

Release Date

Nov 2013

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

10

Compute Units

-

800

Shading Units

96

40

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

3.100 GPixel/s

27.00 GTexel/s

Texture Rate

12.40 GTexel/s

-

FP16 (half)

-

1080 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Graphics Processor

Granville

GPU Name

GF117

Granville PRO

GPU Variant

N15V-GM

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Board Design

50W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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