AMD Radeon HD 7970 vs NVIDIA GeForce RTX 3070

VS

AMD Radeon HD 7970

NVIDIA GeForce RTX 3070

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 8 years and 9 months late

Boost Clock1725MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 264.0GB/s)

3840 additional rendering cores

Lower TDP (220W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce RTX 3070 +436%

20.31 TFLOPS

3DMark Time Spy

Radeon HD 7970

2279

GeForce RTX 3070 +499%

13673

Radeon HD 7970

VS

GeForce RTX 3070

Graphics Card

Dec 2011

Release Date

Sep 2020

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

1725 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

448.0GB/s

Render Config

32

Compute Units

-

SM Count

46

2048

Shading Units

5888

128

TMUs

184

32

ROPs

96

-

Tensor Cores

184

-

RT Cores

46

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

165.6 GPixel/s

118.4 GTexel/s

Texture Rate

317.4 GTexel/s

-

FP16 (half)

20.31 TFLOPS

3.789 TFLOPS

FP32 (float)

20.31 TFLOPS

947.2 GFLOPS

FP64 (double)

317.4 GFLOPS

Board Design

250W

TDP

220W

600 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Tahiti

GPU Name

GA104

Tahiti XT (215-0821060)

GPU Variant

GA104-300-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

17.4 billion

352 mm²

Die Size

392 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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