AMD Radeon RX 7800M vs NVIDIA GeForce GTX 850A

VS

AMD Radeon RX 7800M

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 10 years and 6 months late

Boost Clock has increased by 129% (2145MHz vs 936MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 28.80GB/s)

3200 additional rendering cores

NVIDIA GeForce GTX 850A 's Advantages

Lower TDP (45W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +2894%

35.87 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

Radeon RX 7800M

VS

GeForce GTX 850A

Graphics Card

Sep 2024

Release Date

Mar 2014

Navi Mobile

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

902 MHz

2145 MHz

Boost Clock

936 MHz

2250 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

432GB/s

Bandwidth

28.80GB/s

Render Config

60

Compute Units

-

3840

Shading Units

640

240

TMUs

40

96

ROPs

16

-

60

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SMM)

6 MB

L2 Cache

2 MB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

14.98 GPixel/s

560.4 GTexel/s

Texture Rate

37.44 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

1198 GFLOPS

1121 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

180W

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 32

GPU Name

GM107

Navi 32

GPU Variant

N15P-GT-A1

RDNA 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

1.87 billion

529 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.7

Shader Model

5.1

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