AMD Radeon HD 7950 vs AMD Radeon RX 8800 XT

VS

AMD Radeon HD 7950

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 220W)

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 3GB)

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

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

Radeon RX 8800 XT +594%

19.91 TFLOPS

Radeon HD 7950

VS

Radeon RX 8800 XT

Graphics Card

Jan 2012

Release Date

Unknown

Southern Islands

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1250 MHz

Memory Clock

2438 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

624.1GB/s

Render Config

28

Compute Units

64

-

1792

Shading Units

4096

112

TMUs

256

32

ROPs

96

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

233.3 GPixel/s

89.60 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

2.867 TFLOPS

FP32 (float)

19.91 TFLOPS

716.8 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

200W

TDP

220W

550 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 48

Tahiti PRO (215-0821056)

GPU Variant

Navi 48 XT

GCN 1.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

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

6.8

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