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Radeon HD 7870 XT and GeForce RTX 3080 - video card comparison


Passmark - benchmark score Radeon HD 7870 XT vs GeForce RTX 3080

Radeon HD 7870 XT
4603
GeForce RTX 3080
26041

Radeon HD 7870 XT

GeForce RTX 3080


Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)

GPU code name
Tahiti
Ampere GA102

Market segment
Desktop
Desktop

Release date
November 2012
September 2020

Interface
PCIe 3.0 x16
PCIe 4.0 x16

Supplementary power connectors
2x 6-pin
1x 12-pin

Boost clock speed
975 MHz
1710 MHz

Core clock speed
925 MHz
1450 MHz

Floating-point performance
2,995 gflops
-

Manufacturing process technology
28 nm
8 nm

Number of transistors
4,313 million
28,300 million

Pipelines / CUDA cores
1536
8704

Power consumption (TDP)
185 Watt
320 Watt

Texture fill rate
93.60
465.1

Memory type
GDDR5
GDDR6X

Maximum RAM amount
2 GB
10 GB

Memory bus width
256 Bit
320 Bit

Memory clock speed
6000 MHz
19000 MHz

Memory bandwidth
192.0 GB/s
760.3 GB/s

Shared memory
-
-

Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort

HDMI
+
+

DirectX
12 (11_1)
12 Ultimate (12_2)

CUDA
-
8.5

OpenCL
1.2
2.0

OpenGL
4.6
4.6

Shader Model
5.1
6.5

Vulkan
1.2.131
1.2