AMD Radeon HD 7950 vs NVIDIA GeForce RTX 5080

VS

AMD Radeon HD 7950 NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 160.0GB/s)

Lower TDP (200W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 13 years late

Boost Clock2520MHz

More VRAM (16GB vs 3GB)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce RTX 5080 +1790%

54.19 TFLOPS

Radeon HD 7950

VS

GeForce RTX 5080

Graphics Card

Jan 2012

Release Date

Jan 2025

Southern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1250 MHz

Memory Clock

2500 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

84

28

Compute Units

-

1792

Shading Units

10752

112

TMUs

336

32

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

64 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

322.6 GPixel/s

89.60 GTexel/s

Texture Rate

846.7 GTexel/s

-

FP16 (half)

54.19 TFLOPS

2.867 TFLOPS

FP32 (float)

54.19 TFLOPS

716.8 GFLOPS

FP64 (double)

846.7 GFLOPS

Graphics Processor

Tahiti

GPU Name

GB203

Tahiti PRO (215-0821056)

GPU Variant

GB203

GCN 1.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

0 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

Board Design

200W

TDP

350W

550 W

Suggested PSU

750 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 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

9.1

5.1

Shader Model

6.7

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