AMD Radeon HD 7870 GHz Edition vs AMD Radeon VII

VS

AMD Radeon HD 7870 GHz Edition AMD Radeon VII

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 16GB VRAM Radeon VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 295W)

AMD Radeon VII 's Advantages

Released 6 years and 11 months late

Boost Clock1750MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1020GB/s vs 153.6GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Radeon VII +425%

13.44 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon VII

Graphics Card

Mar 2012

Release Date

Feb 2019

Southern Islands

Generation

Vega II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1750 MHz

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

4096bit

153.6GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

20

Compute Units

60

1280

Shading Units

3840

80

TMUs

240

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

112.0 GPixel/s

80.00 GTexel/s

Texture Rate

420.0 GTexel/s

-

FP16 (half)

26.88 TFLOPS

2.560 TFLOPS

FP32 (float)

13.44 TFLOPS

160.0 GFLOPS

FP64 (double)

3.360 TFLOPS

Graphics Processor

Pitcairn

GPU Name

Vega 20

Pitcairn XT (215-0828047)

GPU Variant

Vega 20 XT

GCN 1.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

13.23 billion

212 mm²

Die Size

331 mm²

Board Design

175W

TDP

295W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.7

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