AMD Radeon HD 7870 XT vs NVIDIA GeForce RTX 4070

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce RTX 4070

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

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 200W)

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

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 4070 +873%

29.15 TFLOPS

Radeon HD 7870 XT

VS

GeForce RTX 4070

Graphics Card

Nov 2012

Release Date

Apr 2023

Southern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

1920 MHz

975 MHz

Boost Clock

2475 MHz

1500 MHz

Memory Clock

1313 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

192bit

192.0GB/s

Bandwidth

504.2GB/s

Render Config

24

Compute Units

-

SM Count

46

1536

Shading Units

5888

96

TMUs

184

32

ROPs

64

-

Tensor Cores

184

-

RT Cores

46

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

36 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

158.4 GPixel/s

93.60 GTexel/s

Texture Rate

455.4 GTexel/s

-

FP16 (half)

29.15 TFLOPS

2.995 TFLOPS

FP32 (float)

29.15 TFLOPS

748.8 GFLOPS

FP64 (double)

455.4 GFLOPS

Board Design

185W

TDP

200W

450 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

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

Tahiti

GPU Name

AD104

Tahiti LE (215-0821122)

GPU Variant

AD104-250-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

35.8 billion

352 mm²

Die Size

295 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

8.9

5.1

Shader Model

6.7

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