AMD Radeon HD 7950M vs AMD Radeon RX 7800 XT

VS

AMD Radeon HD 7950M

AMD Radeon RX 7800 XT

We compared a Mobile platform GPU: 2GB VRAM Radeon HD 7950M and a Desktop platform GPU: 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Lower TDP (75W vs 263W)

AMD Radeon RX 7800 XT 's Advantages

Released 11 years and 4 months late

Boost Clock2430MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 128.0GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

Radeon RX 7800 XT +1982%

37.32 TFLOPS

Radeon HD 7950M

VS

Radeon RX 7800 XT

Graphics Card

Apr 2012

Release Date

Aug 2023

London

Generation

Navi III

Mobile

Type

Desktop

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1000 MHz

Memory Clock

2438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

624.1GB/s

Render Config

20

Compute Units

60

-

1280

Shading Units

3840

80

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

22.40 GPixel/s

Pixel Rate

233.3 GPixel/s

56.00 GTexel/s

Texture Rate

583.2 GTexel/s

-

FP16 (half)

74.65 TFLOPS

1.792 TFLOPS

FP32 (float)

37.32 TFLOPS

-

FP64 (double)

1166 GFLOPS

Board Design

75W

TDP

263W

-

Suggested PSU

600 W

No outputs

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

-

Power Connectors

2x 8-pin

Graphics Processor

Wimbledon

GPU Name

Navi 32

Wimbledon PRO

GPU Variant

Navi 32 XT (215-180000006)

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

28.1 billion

212 mm²

Die Size

346 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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