NVIDIA GeForce RTX 3070 Ti vs AMD Radeon HD 7990

VS

NVIDIA GeForce RTX 3070 Ti AMD Radeon HD 7990

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 Ti and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Ti 's Advantages

Released 8 years and 1 months late

Boost Clock has increased by 77% (1770MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (608.3GB/s vs 288.0GB/s)

4096 additional rendering cores

Lower TDP (290W vs 375W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti +431%

21.75 TFLOPS

Radeon HD 7990

4.096 TFLOPS

GeForce RTX 3070 Ti

VS

Radeon HD 7990

Graphics Card

May 2021

Release Date

Apr 2013

GeForce 30

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1575 MHz

Base Clock

950 MHz

1770 MHz

Boost Clock

1000 MHz

1188 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

384bit

608.3GB/s

Bandwidth

288.0GB/s

Render Config

48

SM Count

-

Compute Units

32

6144

Shading Units

2048

192

TMUs

128

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

Theoretical Performance

169.9 GPixel/s

Pixel Rate

32.00 GPixel/s

339.8 GTexel/s

Texture Rate

128.0 GTexel/s

21.75 TFLOPS

FP16 (half)

-

21.75 TFLOPS

FP32 (float)

4.096 TFLOPS

339.8 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

GA104

GPU Name

Malta

GA104-400-A1

GPU Variant

Malta XT (215-0849026)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

4.313 billion

392 mm²

Die Size

365 mm²

Board Design

290W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 12-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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