AMD Radeon HD 6870 vs NVIDIA CMP 30HX

VS

AMD Radeon HD 6870

NVIDIA CMP 30HX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 6GB VRAM CMP 30HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 30HX 's Advantages

Released 10 years and 4 months late

Boost Clock1785MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 134.4GB/s)

288 additional rendering cores

Lower TDP (125W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

CMP 30HX +149%

5.027 TFLOPS

Radeon HD 6870

VS

CMP 30HX

Graphics Card

Oct 2010

Release Date

Feb 2021

Northern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x4

Clock Speeds

-

Base Clock

1530 MHz

-

Boost Clock

1785 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

134.4GB/s

Bandwidth

336.0GB/s

Render Config

14

Compute Units

-

SM Count

22

1120

Shading Units

1408

56

TMUs

88

32

ROPs

48

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

85.68 GPixel/s

50.40 GTexel/s

Texture Rate

157.1 GTexel/s

-

FP16 (half)

10.05 TFLOPS

2.016 TFLOPS

FP32 (float)

5.027 TFLOPS

-

FP64 (double)

157.1 GFLOPS

Board Design

151W

TDP

125W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

No outputs

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

TU116

Barts XT (215-0798000)

GPU Variant

TU116-100-A1

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

6.6 billion

255 mm²

Die Size

284 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.6

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