AMD Radeon HD 7950 vs AMD Radeon RX 7700 XT

VS

AMD Radeon HD 7950

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 12GB VRAM Radeon RX 7700 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 245W)

AMD Radeon RX 7700 XT 's Advantages

Released 11 years and 7 months late

Boost Clock2544MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (432.0GB/s vs 240.0GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

Radeon RX 7700 XT +1126%

35.17 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

Radeon RX 7700 XT +786%

16991

Radeon HD 7950

VS

Radeon RX 7700 XT

Graphics Card

Jan 2012

Release Date

Aug 2023

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1435 MHz

-

Boost Clock

2544 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

240.0GB/s

Bandwidth

432.0GB/s

Render Config

28

Compute Units

54

-

1792

Shading Units

3456

112

TMUs

216

32

ROPs

96

-

RT Cores

54

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

-

L3 Cache

48 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

244.2 GPixel/s

89.60 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

2.867 TFLOPS

FP32 (float)

35.17 TFLOPS

716.8 GFLOPS

FP64 (double)

1099 GFLOPS

Board Design

200W

TDP

245W

550 W

Suggested PSU

550 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 32

Tahiti PRO (215-0821056)

GPU Variant

Navi 32 XL (215-180000076)

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

28.1 billion

352 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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