NVIDIA CMP 30HX vs AMD Radeon HD 6990

VS

NVIDIA CMP 30HX

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 6GB VRAM CMP 30HX and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 30HX 's Advantages

Released 9 years and 11 months late

Boost Clock1785MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 160.0GB/s)

Lower TDP (125W vs 375W)

AMD Radeon HD 6990 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

CMP 30HX +97%

5.027 TFLOPS

Radeon HD 6990

2.55 TFLOPS

CMP 30HX

VS

Radeon HD 6990

Graphics Card

Feb 2021

Release Date

Mar 2011

Mining GPUs

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1530 MHz

Base Clock

-

1785 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

336.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

22

SM Count

-

1408

Shading Units

1536

88

TMUs

96

48

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

26.56 GPixel/s

157.1 GTexel/s

Texture Rate

79.68 GTexel/s

10.05 TFLOPS

FP16 (half)

-

5.027 TFLOPS

FP32 (float)

2.550 TFLOPS

157.1 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

125W

TDP

375W

300 W

Suggested PSU

750 W

No outputs

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

TU116

GPU Name

Antilles

TU116-100-A1

GPU Variant

Antilles XT (215-0807027)

Turing

Architecture

TeraScale 3

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

6.6 billion

Transistors

2.64 billion

284 mm²

Die Size

389 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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