AMD Radeon RX 7700 XT vs AMD Radeon HD 7950

VS

AMD Radeon RX 7700 XT AMD Radeon HD 7950

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 XT 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 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

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 245W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 XT +1126%

35.17 TFLOPS

Radeon HD 7950

2.867 TFLOPS

3DMark Time Spy

Radeon RX 7700 XT +788%

17023

Radeon HD 7950

1917

Radeon RX 7700 XT

VS

Radeon HD 7950

Graphics Card

Aug 2023

Release Date

Jan 2012

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1435 MHz

Base Clock

-

2544 MHz

Boost Clock

-

2250 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

384bit

432.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

54

Compute Units

28

3456

Shading Units

1792

216

TMUs

112

96

ROPs

32

-

Tensor Cores

-

54

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

244.2 GPixel/s

Pixel Rate

25.60 GPixel/s

549.5 GTexel/s

Texture Rate

89.60 GTexel/s

70.34 TFLOPS

FP16 (half)

-

35.17 TFLOPS

FP32 (float)

2.867 TFLOPS

1099 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

Navi 32

GPU Name

Tahiti

Navi 32 XL (215-180000076)

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

Board Design

245W

TDP

200W

550 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 Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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