NVIDIA GeForce 840A vs AMD Radeon RX 7700S

VS

NVIDIA GeForce 840A

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 100W)

AMD Radeon RX 7700S 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 122% (2500MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 16.02GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon RX 7700S +2273%

20.48 TFLOPS

GeForce 840A

VS

Radeon RX 7700S

Graphics Card

Mar 2014

Release Date

Jan 2023

GeForce 800A

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1029 MHz

Base Clock

1500 MHz

1124 MHz

Boost Clock

2500 MHz

1001 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

16

TMUs

128

8

ROPs

64

-

RT Cores

32

64 KB (per SMM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

160.0 GPixel/s

17.98 GTexel/s

Texture Rate

320.0 GTexel/s

-

FP16 (half)

40.96 TFLOPS

863.2 GFLOPS

FP32 (float)

20.48 TFLOPS

26.98 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Navi 33

-

GPU Variant

Navi 33 XT

Maxwell

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

Unknown

Transistors

13.3 billion

Unknown

Die Size

204 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

5.0

CUDA

-

5.1

Shader Model

6.7

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