AMD Radeon HD 6990 vs NVIDIA GeForce RTX 3070

VS

AMD Radeon HD 6990

NVIDIA GeForce RTX 3070

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM GeForce RTX 3070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 's Advantages

Released 9 years and 6 months late

Boost Clock1725MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)

4352 additional rendering cores

Lower TDP (220W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 3070 +696%

20.31 TFLOPS

Radeon HD 6990

VS

GeForce RTX 3070

Graphics Card

Mar 2011

Release Date

Sep 2020

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

1725 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

448.0GB/s

Render Config

24

Compute Units

-

SM Count

46

1536

Shading Units

5888

96

TMUs

184

32

ROPs

96

-

Tensor Cores

184

-

RT Cores

46

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

165.6 GPixel/s

79.68 GTexel/s

Texture Rate

317.4 GTexel/s

-

FP16 (half)

20.31 TFLOPS

2.550 TFLOPS

FP32 (float)

20.31 TFLOPS

637.4 GFLOPS

FP64 (double)

317.4 GFLOPS

Board Design

375W

TDP

220W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Antilles

GPU Name

GA104

Antilles XT (215-0807027)

GPU Variant

GA104-300-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

6.6

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