NVIDIA GeForce RTX 4080 vs AMD Radeon HD 7950

VS

NVIDIA GeForce RTX 4080 AMD Radeon HD 7950

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Released 10 years and 8 months late

Boost Clock2505MHz

More VRAM (16GB vs 3GB)

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

7936 additional rendering cores

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +1600%

48.74 TFLOPS

Radeon HD 7950

2.867 TFLOPS

3DMark Time Spy

GeForce RTX 4080 +1373%

28238

Radeon HD 7950

1917

GeForce RTX 4080

VS

Radeon HD 7950

Graphics Card

Sep 2022

Release Date

Jan 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

3GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

384bit

716.8GB/s

Bandwidth

240.0GB/s

Render Config

76

SM Count

-

Compute Units

28

9728

Shading Units

1792

304

TMUs

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

768 KB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

25.60 GPixel/s

761.5 GTexel/s

Texture Rate

89.60 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

2.867 TFLOPS

761.5 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

AD103

GPU Name

Tahiti

AD103-300-A1

GPU Variant

Tahiti PRO (215-0821056)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

4.313 billion

379 mm²

Die Size

352 mm²

Board Design

320W

TDP

200W

700 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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