AMD Radeon RX 7800 XT vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon RX 7800 XT

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 10 years and 5 months late

Boost Clock2430MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (624.1GB/s vs 240.0GB/s)

2048 additional rendering cores

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +1201%

37.32 TFLOPS

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Radeon RX 7800 XT

VS

Radeon HD 7950 Mac Edition

Graphics Card

Aug 2023

Release Date

Mar 2013

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

624.1GB/s

Bandwidth

240.0GB/s

Render Config

60

Compute Units

28

-

3840

Shading Units

1792

240

TMUs

112

96

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

25.60 GPixel/s

583.2 GTexel/s

Texture Rate

89.60 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

2.867 TFLOPS

1166 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

263W

TDP

200W

600 W

Suggested PSU

550 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 32

GPU Name

Tahiti

Navi 32 XT (215-180000006)

GPU Variant

Tahiti PRO (215-0821056)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

4.313 billion

346 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 7800 XT vs ATI Radeon HD 4670 AGP

2

AMD Radeon RX 7800 XT vs ATI Radeon HD 3830

3

AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX TITAN X

4

AMD Radeon RX 7800 XT vs ATI Radeon HD 2400 PRO

5

AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX TITAN

6

AMD Radeon RX 7800 XT vs ATI FireGL V7700

7

AMD Radeon RX 7800 XT vs ATI FirePro V3750

8

AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX 750 GM206

9

AMD Radeon RX 7800 XT vs AMD Radeon R9 380 OEM

10

AMD Radeon RX 7800 XT vs AMD Radeon R5 310 OEM

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage