NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon HD 6990

VS

NVIDIA GeForce RTX 4070 GDDR6

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 13 years and 5 months late

Boost Clock2475MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (480.0GB/s vs 160.0GB/s)

4352 additional rendering cores

Lower TDP (200W vs 375W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +1043%

29.15 TFLOPS

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 4070 GDDR6

VS

Radeon HD 6990

Graphics Card

Aug 2024

Release Date

Mar 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

2500 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

480.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

46

SM Count

-

5888

Shading Units

1536

184

TMUs

96

64

ROPs

32

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

26.56 GPixel/s

455.4 GTexel/s

Texture Rate

79.68 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

2.550 TFLOPS

455.4 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

200W

TDP

375W

550 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD104

GPU Name

Antilles

AD104-2XX-A1

GPU Variant

Antilles XT (215-0807027)

Ada Lovelace

Architecture

TeraScale 3

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

2.64 billion

294 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.8

Shader Model

5.0

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