AMD Radeon HD 7950 Mac Edition vs NVIDIA GeForce RTX 3080

VS

AMD Radeon HD 7950 Mac Edition

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 320W)

NVIDIA GeForce RTX 3080 's Advantages

Released 7 years and 6 months late

Boost Clock1710MHz

More VRAM (10GB vs 3GB)

Larger VRAM bandwidth (760.3GB/s vs 240.0GB/s)

6912 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition

2.867 TFLOPS

GeForce RTX 3080 +938%

29.77 TFLOPS

Radeon HD 7950 Mac Edition

VS

GeForce RTX 3080

Graphics Card

Mar 2013

Release Date

Sep 2020

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1710 MHz

1250 MHz

Memory Clock

1188 MHz

Memory

3GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

320bit

240.0GB/s

Bandwidth

760.3GB/s

Render Config

28

Compute Units

-

SM Count

68

1792

Shading Units

8704

112

TMUs

272

32

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

5 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

164.2 GPixel/s

89.60 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

2.867 TFLOPS

FP32 (float)

29.77 TFLOPS

716.8 GFLOPS

FP64 (double)

465.1 GFLOPS

Board Design

200W

TDP

320W

550 W

Suggested PSU

700 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 12-pin

Graphics Processor

Tahiti

GPU Name

GA102

Tahiti PRO (215-0821056)

GPU Variant

GA102-200-KD-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

28.3 billion

352 mm²

Die Size

628 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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