Home GPU Comparison NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 7870 XT

NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB 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 4080 16 GB 's Advantages
Released 9 years and 10 months late
Boost Clock has increased by 157% (2505MHz vs 975MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (716.8GB/s vs 192.0GB/s)
8192 additional rendering cores
AMD Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 320W)

Score

Benchmark

FP32 (float)
GeForce RTX 4080 16 GB +1527%
48.74 TFLOPS
Radeon HD 7870 XT
2.995 TFLOPS
VS

Graphics Card

Sep 2022
Release Date
Nov 2012
GeForce 40
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

2205 MHz
Base Clock
925 MHz
2505 MHz
Boost Clock
975 MHz
1400 MHz
Memory Clock
1500 MHz

Memory

16GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
192.0GB/s

Render Config

-
Compute Units
24
76
SM Count
-
9728
Shading Units
1536
304
TMUs
96
112
ROPs
32
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
512 KB
-
-
-

Theoretical Performance

280.6 GPixel/s
Pixel Rate
31.20 GPixel/s
761.5 GTexel/s
Texture Rate
93.60 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
2.995 TFLOPS
761.5 GFLOPS
FP64 (double)
748.8 GFLOPS

Board Design

320W
TDP
185W
700 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

AD103
GPU Name
Tahiti
AD103-300-A1
GPU Variant
Tahiti LE (215-0821122)
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
4 nm
Process Size
28 nm
45.9 billion
Transistors
4.313 billion
379 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
-
6.6
Shader Model
5.1

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