AMD Radeon RX 7950 XTX vs AMD Radeon HD 7950

VS

AMD Radeon RX 7950 XTX

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (960.0GB/s vs 240.0GB/s)

4352 additional rendering cores

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +2728%

81.1 TFLOPS

Radeon HD 7950

2.867 TFLOPS

Radeon RX 7950 XTX

VS

Radeon HD 7950

Graphics Card

Unknown

Release Date

Jan 2012

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

-

3300 MHz

Boost Clock

-

2500 MHz

Memory Clock

1250 MHz

Memory

24GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

960.0GB/s

Bandwidth

240.0GB/s

Render Config

96

Compute Units

28

-

6144

Shading Units

1792

384

TMUs

112

192

ROPs

32

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

768 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

25.60 GPixel/s

1267 GTexel/s

Texture Rate

89.60 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

2.867 TFLOPS

2.534 TFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

355W

TDP

200W

750 W

Suggested PSU

550 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 31

GPU Name

Tahiti

Navi 31 XTX+

GPU Variant

Tahiti PRO (215-0821056)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

4.313 billion

529 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

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