AMD Radeon HD 7870 XT vs NVIDIA GeForce RTX 5070

VS

AMD Radeon HD 7870 XT NVIDIA GeForce RTX 5070

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 12GB VRAM GeForce RTX 5070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 120.0GB/s)

Lower TDP (185W vs 220W)

NVIDIA GeForce RTX 5070 's Advantages

Released 12 years and 2 months late

Boost Clock has increased by 158% (2520MHz vs 975MHz)

More VRAM (12GB vs 2GB)

4864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 5070 +977%

32.26 TFLOPS

Radeon HD 7870 XT

VS

GeForce RTX 5070

Graphics Card

Nov 2012

Release Date

Jan 2025

Southern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

925 MHz

Base Clock

2235 MHz

975 MHz

Boost Clock

2520 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR7

256bit

Memory Bus

192bit

192.0GB/s

Bandwidth

120.0GB/s

Render Config

-

SM Count

50

24

Compute Units

-

1536

Shading Units

6400

96

TMUs

200

32

ROPs

64

-

Tensor Cores

200

-

RT Cores

50

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

40 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

161.3 GPixel/s

93.60 GTexel/s

Texture Rate

504.0 GTexel/s

-

FP16 (half)

32.26 TFLOPS

2.995 TFLOPS

FP32 (float)

32.26 TFLOPS

748.8 GFLOPS

FP64 (double)

504.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

GB205

Tahiti LE (215-0821122)

GPU Variant

GB205

GCN 1.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

0 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

Board Design

185W

TDP

220W

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 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

9.1

5.1

Shader Model

6.7

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