Home GPU Comparison AMD Radeon HD 7870 XT vs AMD Radeon RX 560X

AMD Radeon HD 7870 XT vs AMD Radeon RX 560X

AMD Radeon HD 7870 XT
VS
AMD Radeon RX 560X
AMD Radeon HD 7870 XT
AMD Radeon RX 560X
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 4GB VRAM Radeon RX 560X 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 112.0GB/s)
512 additional rendering cores
AMD Radeon RX 560X 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 31% (1275MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)
Radeon HD 7870 XT +14%
2.995 TFLOPS
Radeon RX 560X
2.611 TFLOPS
VS

Graphics Card

Nov 2012
Release Date
Apr 2018
Southern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

925 MHz
Base Clock
1175 MHz
975 MHz
Boost Clock
1275 MHz
1500 MHz
Memory Clock
1750 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
192.0GB/s
Bandwidth
112.0GB/s

Render Config

24
Compute Units
16
-
-
-
1536
Shading Units
1024
96
TMUs
64
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

31.20 GPixel/s
Pixel Rate
20.40 GPixel/s
93.60 GTexel/s
Texture Rate
81.60 GTexel/s
-
FP16 (half)
2.611 TFLOPS
2.995 TFLOPS
FP32 (float)
2.611 TFLOPS
748.8 GFLOPS
FP64 (double)
163.2 GFLOPS

Board Design

185W
TDP
75W
450 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
Polaris 21
Tahiti LE (215-0821122)
GPU Variant
Polaris 21 XT (215-0908004)
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
4.313 billion
Transistors
3 billion
352 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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