AMD Radeon RX 6600 XT vs ATI Radeon HD 5870 Mac Edition
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Released 11 years and 1 months late
Boost Clock2589MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 153.0GB/s)
448 additional rendering cores
Lower TDP (160W vs 228W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+289%
10.6 TFLOPS
Radeon HD 5870 Mac Edition
2.72 TFLOPS
Graphics Card
Jul 2021
Release Date
Jun 2010
Navi II
Generation
Evergreen
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
1195 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
153.0GB/s
Render Config
32
Compute Units
20
-
-
-
2048
Shading Units
1600
128
TMUs
80
64
ROPs
32
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
27.20 GPixel/s
331.4 GTexel/s
Texture Rate
68.00 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
2.720 TFLOPS
662.8 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
160W
TDP
228W
450 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
2x mini-DisplayPort 1.1
1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 23
GPU Name
Cypress
Navi 23 XT
(215-130000006)
GPU Variant
Cypress XT
(215-0735033)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
2.154 billion
237 mm²
Die Size
334 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
5.0
