AMD Radeon HD 7950 Boost vs AMD Radeon RX 6600

VS

AMD Radeon HD 7950 Boost AMD Radeon RX 6600

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 224.0GB/s)

AMD Radeon RX 6600 's Advantages

Released 9 years and 4 months late

Boost Clock has increased by 169% (2491MHz vs 925MHz)

More VRAM (8GB vs 3GB)

Lower TDP (132W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost

3.315 TFLOPS

Radeon RX 6600 +169%

8.928 TFLOPS

Radeon HD 7950 Boost

VS

Radeon RX 6600

Graphics Card

Jun 2012

Release Date

Oct 2021

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

850 MHz

Base Clock

1626 MHz

925 MHz

Boost Clock

2491 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

28

Compute Units

28

1792

Shading Units

1792

112

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

159.4 GPixel/s

103.6 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

3.315 TFLOPS

FP32 (float)

8.928 TFLOPS

828.8 GFLOPS

FP64 (double)

558.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 23

Tahiti PRO2 (215-0821282)

GPU Variant

Navi 23 XL (215-130000016)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

352 mm²

Die Size

237 mm²

Board Design

200W

TDP

132W

550 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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