NVIDIA GeForce RTX 4070 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce RTX 4070

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages

Released 10 years and 5 months late

Boost Clock has increased by 154% (2475MHz vs 975MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (504.2GB/s vs 192.0GB/s)

4352 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 +873%

29.15 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 4070

VS

Radeon HD 7870 XT

Graphics Card

Apr 2023

Release Date

Nov 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1920 MHz

Base Clock

925 MHz

2475 MHz

Boost Clock

975 MHz

1313 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

192.0GB/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

16 KB (per CU)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

31.20 GPixel/s

455.4 GTexel/s

Texture Rate

93.60 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

2.995 TFLOPS

455.4 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

200W

TDP

185W

550 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD104

GPU Name

Tahiti

AD104-250-A1

GPU Variant

Tahiti LE (215-0821122)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

35.8 billion

Transistors

4.313 billion

295 mm²

Die Size

352 mm²

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

8.9

CUDA

-

6.7

Shader Model

5.1

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