AMD Radeon HD 6990 vs NVIDIA RTX A5000-8Q

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM RTX A5000 8Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A5000-8Q 's Advantages

Released 10 years and 1 months late

Boost Clock1695MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (768.0GB/s vs 160.0GB/s)

6656 additional rendering cores

Lower TDP (230W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

RTX A5000 8Q +989%

27.77 TFLOPS

Radeon HD 6990

VS

RTX A5000 8Q

Graphics Card

Mar 2011

Release Date

Apr 2021

Northern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1170 MHz

-

Boost Clock

1695 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

64

24

Compute Units

-

1536

Shading Units

8192

96

TMUs

256

32

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

6 MB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

162.7 GPixel/s

79.68 GTexel/s

Texture Rate

433.9 GTexel/s

-

FP16 (half)

27.77 TFLOPS

2.550 TFLOPS

FP32 (float)

27.77 TFLOPS

637.4 GFLOPS

FP64 (double)

433.9 GFLOPS

Graphics Processor

Antilles

GPU Name

GA102

Antilles XT (215-0807027)

GPU Variant

-

TeraScale 3

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

2.64 billion

Transistors

28.3 billion

389 mm²

Die Size

628 mm²

Board Design

375W

TDP

230W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

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

6.7

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