AMD Radeon RX 6850M XT vs NVIDIA GeForce 840A

VS

AMD Radeon RX 6850M XT

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6850M XT 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 130% (2581MHz vs 1124MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 16.02GB/s)

2176 additional rendering cores

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +1430%

13.21 TFLOPS

GeForce 840A

0.863 TFLOPS

Radeon RX 6850M XT

VS

GeForce 840A

Graphics Card

Jan 2022

Release Date

Mar 2014

Mobility Radeon

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2321 MHz

Base Clock

1029 MHz

2581 MHz

Boost Clock

1124 MHz

2000 MHz

Memory Clock

1001 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

16.02GB/s

Render Config

40

Compute Units

-

2560

Shading Units

384

160

TMUs

16

64

ROPs

8

-

40

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

3 MB

L2 Cache

1024 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

8.992 GPixel/s

413.0 GTexel/s

Texture Rate

17.98 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

863.2 GFLOPS

825.9 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

165W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

GM108

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

Unknown

335 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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