AMD Radeon HD 6990 vs NVIDIA CMP 70HX

VS

AMD Radeon HD 6990

NVIDIA CMP 70HX

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM CMP 70HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 9 years and 10 months late

Boost Clock1395MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (608.3GB/s vs 160.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

CMP 70HX +320%

10.71 TFLOPS

Radeon HD 6990

VS

CMP 70HX

Graphics Card

Mar 2011

Release Date

Jan 2021

Northern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1395 MHz

1250 MHz

Memory Clock

1188 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

608.3GB/s

Render Config

24

Compute Units

-

SM Count

30

1536

Shading Units

3840

96

TMUs

120

32

ROPs

64

-

Tensor Cores

120

-

RT Cores

30

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

89.28 GPixel/s

79.68 GTexel/s

Texture Rate

167.4 GTexel/s

-

FP16 (half)

10.71 TFLOPS

2.550 TFLOPS

FP32 (float)

10.71 TFLOPS

637.4 GFLOPS

FP64 (double)

167.4 GFLOPS

Board Design

375W

TDP

Unknown

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Antilles

GPU Name

GA104

Antilles XT (215-0807027)

GPU Variant

GA104-100-A1

TeraScale 3

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

2.64 billion

Transistors

17.4 billion

389 mm²

Die Size

392 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.8

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