AMD Radeon HD 6990 vs NVIDIA CMP 30HX

VS

AMD Radeon HD 6990

NVIDIA CMP 30HX

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

Main Differences

AMD Radeon HD 6990 's Advantages

128 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

CMP 30HX +97%

5.027 TFLOPS

Radeon HD 6990

VS

CMP 30HX

Graphics Card

Mar 2011

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

1250 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

160.0GB/s

Bandwidth

336.0GB/s

Render Config

24

Compute Units

-

SM Count

22

1536

Shading Units

1408

96

TMUs

88

32

ROPs

48

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

85.68 GPixel/s

79.68 GTexel/s

Texture Rate

157.1 GTexel/s

-

FP16 (half)

10.05 TFLOPS

2.550 TFLOPS

FP32 (float)

5.027 TFLOPS

637.4 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

375W

TDP

125W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Antilles

GPU Name

TU116

Antilles XT (215-0807027)

GPU Variant

TU116-100-A1

TeraScale 3

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

2.64 billion

Transistors

6.6 billion

389 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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