AMD Radeon HD 7950 Mac Edition vs NVIDIA GeForce RTX 4080

VS

AMD Radeon HD 7950 Mac Edition

NVIDIA GeForce RTX 4080

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 16GB VRAM GeForce RTX 4080 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 4080 's Advantages

Released 9 years and 6 months late

Boost Clock2505MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (716.8GB/s vs 240.0GB/s)

7936 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition

2.867 TFLOPS

GeForce RTX 4080 +1600%

48.74 TFLOPS

Radeon HD 7950 Mac Edition

VS

GeForce RTX 4080

Graphics Card

Mar 2013

Release Date

Sep 2022

Southern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2205 MHz

-

Boost Clock

2505 MHz

1250 MHz

Memory Clock

1400 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

716.8GB/s

Render Config

28

Compute Units

-

SM Count

76

1792

Shading Units

9728

112

TMUs

304

32

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

64 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

280.6 GPixel/s

89.60 GTexel/s

Texture Rate

761.5 GTexel/s

-

FP16 (half)

48.74 TFLOPS

2.867 TFLOPS

FP32 (float)

48.74 TFLOPS

716.8 GFLOPS

FP64 (double)

761.5 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 16-pin

Graphics Processor

Tahiti

GPU Name

AD103

Tahiti PRO (215-0821056)

GPU Variant

AD103-300-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

45.9 billion

352 mm²

Die Size

379 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

8.9

5.1

Shader Model

6.7

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