AMD Radeon HD 7970 GHz Edition vs AMD Radeon R5 330 OEM

VS

AMD Radeon HD 7970 GHz Edition AMD Radeon R5 330 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 2GB VRAM Radeon R5 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Boost Clock has increased by 23% (1050MHz vs 855MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)

1728 additional rendering cores

AMD Radeon R5 330 OEM 's Advantages

Released 2 years and 11 months late

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +686%

4.301 TFLOPS

Radeon R5 330 OEM

0.547 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon R5 330 OEM

Graphics Card

Jun 2012

Release Date

May 2015

Southern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

830 MHz

1050 MHz

Boost Clock

855 MHz

1500 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

32

Compute Units

5

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

6.840 GPixel/s

134.4 GTexel/s

Texture Rate

17.10 GTexel/s

-

FP16 (half)

-

4.301 TFLOPS

FP32 (float)

547.2 GFLOPS

1075 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Hainan

Tahiti XT2 (215-0821065)

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.69 billion

352 mm²

Die Size

56 mm²

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

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

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

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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