AMD Radeon RX 7800M vs NVIDIA GeForce GTX 870M

VS

AMD Radeon RX 7800M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 3GB VRAM GeForce GTX 870M 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 122% (2145MHz vs 967MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (432GB/s vs 120.0GB/s)

2496 additional rendering cores

NVIDIA GeForce GTX 870M 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +1280%

35.87 TFLOPS

GeForce GTX 870M

2.599 TFLOPS

Radeon RX 7800M

VS

GeForce GTX 870M

Graphics Card

Sep 2024

Release Date

Mar 2014

Navi Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1825 MHz

Base Clock

941 MHz

2145 MHz

Boost Clock

967 MHz

2250 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

192bit

432GB/s

Bandwidth

120.0GB/s

Render Config

60

Compute Units

-

3840

Shading Units

1344

240

TMUs

112

96

ROPs

24

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

384 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

27.08 GPixel/s

560.4 GTexel/s

Texture Rate

108.3 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

2.599 TFLOPS

1121 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

GK104

Navi 32

GPU Variant

N15E-GT-A2

RDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

3.54 billion

529 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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