AMD Radeon RX 6700M vs AMD Radeon HD 7850M

VS

We compared two Mobile platform GPUs: 10GB VRAM Radeon RX 6700M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700M 's Advantages

Released 9 years and 1 months late

Boost Clock2400MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 135W)

Score

Benchmark

FP32 (float)

Radeon RX 6700M +1180%

11.06 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 6700M

VS

Radeon HD 7850M

Graphics Card

May 2021

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1489 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

10GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

128bit

320.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

36

Compute Units

10

2304

Shading Units

640

144

TMUs

40

64

ROPs

16

-

Tensor Cores

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

Theoretical Performance

153.6 GPixel/s

Pixel Rate

10.80 GPixel/s

345.6 GTexel/s

Texture Rate

27.00 GTexel/s

22.12 TFLOPS

FP16 (half)

-

11.06 TFLOPS

FP32 (float)

864.0 GFLOPS

691.2 GFLOPS

FP64 (double)

54.00 GFLOPS

Graphics Processor

Navi 22

GPU Name

Heathrow

Navi 22

GPU Variant

Heathrow PRO

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

1.5 billion

335 mm²

Die Size

123 mm²

Board Design

135W

TDP

40W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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