AMD Radeon R9 380 OEM vs AMD Radeon HD 6950

VS

AMD Radeon R9 380 OEM AMD Radeon HD 6950

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380 OEM and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 OEM 's Advantages

Released 4 years and 5 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (176.0GB/s vs 160.0GB/s)

384 additional rendering cores

Lower TDP (190W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 380 OEM +46%

3.29 TFLOPS

Radeon HD 6950

2.253 TFLOPS

Radeon R9 380 OEM

VS

Radeon HD 6950

Graphics Card

May 2015

Release Date

Dec 2010

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

28

Compute Units

22

1792

Shading Units

1408

112

TMUs

88

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

25.60 GPixel/s

102.8 GTexel/s

Texture Rate

70.40 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

2.253 TFLOPS

205.6 GFLOPS

FP64 (double)

563.2 GFLOPS

Graphics Processor

Antigua

GPU Name

Cayman

Antigua PRO (215-0877000)

GPU Variant

Cayman PRO (215-0807019)

GCN 3.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

2.64 billion

366 mm²

Die Size

389 mm²

Board Design

190W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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