NVIDIA GeForce RTX 3080 12 GB vs ATI Radeon HD 2950 PRO

VS

NVIDIA GeForce RTX 3080 12 GB

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages

Boost Clock1710MHz

More VRAM (12GB vs 256GB)

Larger VRAM bandwidth (912.4GB/s vs 38.40GB/s)

8640 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB +7879%

30.64 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

GeForce RTX 3080 12 GB

VS

Radeon HD 2950 PRO

Graphics Card

Jan 2022

Release Date

Unknown

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1260 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1188 MHz

Memory Clock

600 MHz

Memory

12GB

Memory Size

256MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

256bit

912.4GB/s

Bandwidth

38.40GB/s

Render Config

-

Compute Units

4

70

SM Count

-

8960

Shading Units

320

280

TMUs

16

96

ROPs

16

280

Tensor Cores

-

70

RT Cores

-

128 KB (per SM)

L1 Cache

-

5 MB

L2 Cache

256 KB

-

Theoretical Performance

164.2 GPixel/s

Pixel Rate

9.600 GPixel/s

478.8 GTexel/s

Texture Rate

9.600 GTexel/s

30.64 TFLOPS

FP16 (half)

-

30.64 TFLOPS

FP32 (float)

384.0 GFLOPS

478.8 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

350W

TDP

75W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

RV670

GA102-220-A1

GPU Variant

RV670 PRO ES (215-0708001)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.666 billion

628 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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