AMD Radeon HD 8970 OEM vs AMD Radeon R9 280

VS

AMD Radeon HD 8970 OEM AMD Radeon R9 280

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8970 OEM and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970 OEM 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 240.0GB/s)

256 additional rendering cores

AMD Radeon R9 280 's Advantages

Released 1 years and 2 months late

Boost Clock933MHz

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 8970 OEM +13%

3.789 TFLOPS

Radeon R9 280

3.344 TFLOPS

Radeon HD 8970 OEM

VS

Radeon R9 280

Graphics Card

Jan 2013

Release Date

Mar 2014

Sea Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

827 MHz

-

Boost Clock

933 MHz

1375 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

29.86 GPixel/s

118.4 GTexel/s

Texture Rate

104.5 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

3.344 TFLOPS

947.2 GFLOPS

FP64 (double)

836.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Tahiti

Tahiti XT (215-0821060)

GPU Variant

Tahiti PRO3 (215-0821330)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

352 mm²

Die Size

352 mm²

Board Design

250W

TDP

200W

600 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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