AMD Radeon R9 380X vs ATI Radeon HD 2950 PRO

VS

AMD Radeon R9 380X

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (182.4GB/s vs 38.40GB/s)

1728 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X +934%

3.973 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon R9 380X

VS

Radeon HD 2950 PRO

Graphics Card

Nov 2015

Release Date

Unknown

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1425 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

182.4GB/s

Bandwidth

38.40GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

9.600 GPixel/s

124.2 GTexel/s

Texture Rate

9.600 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

384.0 GFLOPS

248.3 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

190W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Antigua

GPU Name

RV670

Antigua XT (215-0877016)

GPU Variant

RV670 PRO ES (215-0708001)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.666 billion

366 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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