AMD Radeon HD 7850M vs NVIDIA GeForce RTX 3080 Mobile

VS

AMD Radeon HD 7850M

NVIDIA GeForce RTX 3080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 8 years and 9 months late

Boost Clock1545MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

5504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850M

0.864 TFLOPS

GeForce RTX 3080 Mobile +2096%

18.98 TFLOPS

Radeon HD 7850M

VS

GeForce RTX 3080 Mobile

Graphics Card

Apr 2012

Release Date

Jan 2021

London

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1545 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

448.0GB/s

Render Config

10

Compute Units

-

SM Count

48

640

Shading Units

6144

40

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

148.3 GPixel/s

27.00 GTexel/s

Texture Rate

296.6 GTexel/s

-

FP16 (half)

18.98 TFLOPS

864.0 GFLOPS

FP32 (float)

18.98 TFLOPS

54.00 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

40W

TDP

115W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Heathrow

GPU Name

GA104

Heathrow PRO

GPU Variant

GA104-775-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

17.4 billion

123 mm²

Die Size

392 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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