AMD Radeon HD 7950 vs AMD Radeon RX 7700

VS

AMD Radeon HD 7950

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 3GB)

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

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

Radeon RX 7700 +1014%

31.95 TFLOPS

Radeon HD 7950

VS

Radeon RX 7700

Graphics Card

Jan 2012

Release Date

Unknown

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 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

48

-

1792

Shading Units

3072

112

TMUs

192

32

ROPs

96

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

249.6 GPixel/s

89.60 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

2.867 TFLOPS

FP32 (float)

31.95 TFLOPS

716.8 GFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

200W

TDP

200W

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

1x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 32

Tahiti PRO (215-0821056)

GPU Variant

Navi 32

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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