AMD Radeon HD 7850M vs NVIDIA GeForce 820M

VS

AMD Radeon HD 7850M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.83GB/s)

256 additional rendering cores

Lower TDP (40W vs 45W)

NVIDIA GeForce 820M 's Advantages

Released 2 years and 11 months late

Score

Benchmark

FP32 (float)

Radeon HD 7850M +38%

0.864 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon HD 7850M

VS

GeForce 820M

Graphics Card

Apr 2012

Release Date

Mar 2015

London

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.83GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

6.480 GPixel/s

27.00 GTexel/s

Texture Rate

25.92 GTexel/s

-

864.0 GFLOPS

FP32 (float)

622.1 GFLOPS

54.00 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

40W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Heathrow

GPU Name

GK107

Heathrow PRO

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 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

3.0

5.1

Shader Model

5.1

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