NVIDIA GeForce RTX 5080 vs AMD Radeon HD 7950 Boost

VS

NVIDIA GeForce RTX 5080

AMD Radeon HD 7950 Boost

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

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 12 years and 7 months late

Boost Clock has increased by 172% (2520MHz vs 925MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (973.8GB/s vs 240.0GB/s)

8960 additional rendering cores

AMD Radeon HD 7950 Boost 's Advantages

Lower TDP (200W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +1534%

54.19 TFLOPS

Radeon HD 7950 Boost

3.315 TFLOPS

GeForce RTX 5080

VS

Radeon HD 7950 Boost

Graphics Card

Jan 2025

Release Date

Jun 2012

GeForce 50

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

850 MHz

2520 MHz

Boost Clock

925 MHz

2400 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

3GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

384bit

973.8GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

84

SM Count

-

10752

Shading Units

1792

336

TMUs

112

128

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

768 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

29.60 GPixel/s

846.7 GTexel/s

Texture Rate

103.6 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

3.315 TFLOPS

846.7 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

350W

TDP

200W

750 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

GB203

GPU Name

Tahiti

GB203-400-A1

GPU Variant

Tahiti PRO2 (215-0821282)

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

0

Process Size

28 nm

Unknown

Transistors

4.313 billion

377 mm²

Die Size

352 mm²

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

10.1

CUDA

-

6.8

Shader Model

5.1

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